CN119885692A - Optimal design method and related device for metal hose - Google Patents
Optimal design method and related device for metal hose Download PDFInfo
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- G06F30/20—Design optimisation, verification or simulation
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Abstract
本发明公开了一种金属软管的优化设计方法及相关装置，属于软管设计领域，包括：确定外部载荷引起的金属软管中膨胀节的应力；确定位移引起的金属软管中膨胀节的应力；确定金属软管中膨胀节的子午向总应力；确定金属软管中钢丝网套的应力及爆破压力；确定金属软管的疲劳寿命以及稳定性；选择满足所述外部载荷引起的金属软管中膨胀节的应力、位移引起的金属软管中膨胀节的应力、金属软管中膨胀节的子午向总应力、金属软管中钢丝网套的应力及爆破压力和金属软管的疲劳寿命以及稳定性的金属软管的设计结构参数，该方法及相关装置设计得到的金属软管的工作安全性及结构可靠性较高。
The invention discloses an optimization design method for a metal hose and related devices, belonging to the field of hose design, comprising: determining the stress of an expansion joint in a metal hose caused by an external load; determining the stress of an expansion joint in a metal hose caused by displacement; determining the total meridional stress of an expansion joint in a metal hose; determining the stress and bursting pressure of a steel wire mesh sleeve in a metal hose; determining the fatigue life and stability of the metal hose; selecting design structural parameters of the metal hose that meet the stress of an expansion joint in a metal hose caused by an external load, the stress of an expansion joint in a metal hose caused by displacement, the total meridional stress of an expansion joint in a metal hose, the stress and bursting pressure of a steel wire mesh sleeve in a metal hose, and the fatigue life and stability of the metal hose. The metal hose designed by the method and the related devices has high working safety and structural reliability.
Description
Technical Field
The invention belongs to the field of hose design, and relates to an optimal design method and a related device for a metal hose.
Background
The metal hose is used for realizing gas-liquid fluid conveying and compensating the axial and radial swinging displacement and assembly deviation of the connecting devices at two ends, and is widely applied to the field of military and civil equipment such as steam turbines, gas turbines, aeroengines, liquid rocket engines, heavy petrochemical equipment, ships, automobiles and the like.
At present, in the field of expansion joint and metal tube hose design and manufacture, the expansion joint and metal tube hose design and manufacture are common in the U.S. EJMA standard, GB/T12777 standard, GB14525 standard, JB6169 standard and the like. However, the expansion joint and the metal net sleeve of the metal hose are independently designed and calculated according to the above standard, and the common bearing and coordinated deformation phenomena of the expansion joint and the metal net sleeve under the action of load and displacement are not considered, so that the design state and the actual service state of the metal hose have non-negligible deviation, and the working safety and the structural reliability of the metal hose are affected.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide an optimal design method and a related device of a metal hose, wherein the metal hose designed by the method and the related device has higher working safety and structural reliability.
In order to achieve the above purpose, the invention discloses an optimal design method of a metal hose, comprising the following steps:
determining the stress of an expansion joint in the metal hose caused by external load;
determining the stress of an expansion joint in the metal hose caused by displacement;
Determining the meridian total stress of the expansion joint in the metal hose;
Determining the stress and bursting pressure of a steel wire mesh sleeve in the metal hose;
determining the fatigue life and stability of the metal hose;
And selecting design structural parameters of the metal hose, wherein the design structural parameters meet the stress of the expansion joint in the metal hose caused by external load, the stress of the expansion joint in the metal hose caused by displacement, the meridian total stress of the expansion joint in the metal hose, the stress and bursting pressure of the steel wire mesh in the metal hose, the fatigue life of the metal hose and the stability.
The design structural parameters of the metal hose comprise the waveform, wave beam and wave length of the corrugated pipe in the metal hose, the material, the strand number and the wire diameter of the metal net.
Further, design structural parameters of the metal hose include waveform, wave beam and wavelength of the corrugated pipe in the metal hose, and material, strand number and wire diameter of the metal net.
Further, the process of determining the stress of the expansion joint in the metal hose caused by displacement is as follows:
for an expansion joint without a reinforced armor ring, the stress of the expansion joint in the metal hose caused by displacement is as follows:
Wherein, For the radial membrane stress of the bellows caused by displacement,For displacement induced radial bending stresses of the bellows,AndIn order to correct the coefficient of the coefficient,For axial displacement of a single wave in the metal hose,Is the wave height of the corrugated pipe,Is the nominal thickness of a layer of material in the bellows,Is the elastic modulus of the corrugated pipe material;
For expansion joints with reinforced armor rings, the stress of the expansion joints in the metal hose caused by displacement is as follows:
Wherein, For pressure induced bellows meridian to film stress,For pressure induced radial bending stresses of the bellows,Is the average radius of the wave crest of the corrugated pipe,Is the wave height coefficient.
Further, the stress of the steel wire mesh sleeve in the metal hoseThe method comprises the following steps:
Wherein, Is the welding joint coefficient of the steel wire,The stress non-uniformity correction coefficient of the net sleeve steel wire,The correction coefficient for the layer number of the net cover,For the maximum operating pressure of the metal hose at the operating temperature,Is the medium diameter of the corrugated pipe,Is the axial total rigidity of the expansion joint in the metal hose,Is the axial total rigidity of the metal net in the metal hose,For the number of the net cover strands,For the number of steel wires of each strand of the net sleeve,Is a braiding angle of the metal net sleeve,Is the wire diameter.
Further, the axial total rigidity of the metal net in the metal hoseThe method comprises the following steps:
Wherein, The elastic modulus of the steel wire is represented,Is the cross-sectional area of the steel wire,Is the length of the steel wire.
Further, the axial total rigidity of the metal net in the metal hoseThe method comprises the following steps:
Wherein, Is the single-section axial elastic rigidity of the expansion joint in the metal hose,Is the wave number of the corrugated pipe.
Further, the bursting pressure of the steel wire mesh sleeveThe method comprises the following steps:
Wherein, Is the elastic limit of the metal net cover material.
The invention discloses an optimal design system of a metal hose, which comprises the following components:
a first determining module for determining stress of an expansion joint in the metal hose caused by external load;
a second determining module for determining the stress of the expansion joint in the metal hose caused by displacement;
The third determining module is used for determining the meridian total stress of the expansion joint in the metal hose;
The fourth determining module is used for determining the stress and the bursting pressure of the steel wire mesh sleeve in the metal hose;
A fifth determining module for determining fatigue life and stability of the metal hose;
And a sixth determining module, configured to select design structural parameters of the metal hose, which satisfy the stress of the expansion joint in the metal hose caused by the external load, the stress of the expansion joint in the metal hose caused by displacement, the total radial stress of the expansion joint in the metal hose, the stress and bursting pressure of the steel wire mesh in the metal hose, and the fatigue life and stability of the metal hose.
The invention discloses a computer device, which comprises a memory, a processor and a computer program stored in the memory and capable of running on the processor, wherein the processor realizes the steps of the optimal design method of a metal hose when executing the computer program.
The invention discloses a computer readable storage medium storing a computer program which when executed by a processor implements the steps of the method for optimizing the design of a metal hose.
The invention has the following beneficial effects:
when the optimal design method and the related device of the metal hose are specifically operated, the expansion joint and the metal net sleeve are combined, the combined rigidity coordination deformation and the comprehensive bearing capacity distribution of the expansion joint and the metal net sleeve under the load effect are considered, the problems of overlarge deformation and load deviation caused by independent calculation of the expansion joint and the metal net sleeve in the design method of the metal hose and the national standard are solved, and the accuracy and the rationality of the design and the calculation of the metal hose are improved. Compared with the traditional design method, the metal hose designed by the invention has higher working safety and structural reliability.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. In the drawings:
FIG. 1 is a flow chart of the method of the present invention;
fig. 2 is a system configuration diagram of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it will be understood that the terms "comprises" and "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
It is also to be understood that the terminology used in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in this specification and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be further understood that the term "and/or" as used in the present specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items and includes such combinations, e.g., a and/or B, may mean that there are three cases, a alone, a and B together, and B alone. In the present invention, the character "/" generally indicates that the front and rear related objects are an or relationship.
It should be understood that although the terms first, second, third, etc. may be used to describe the preset ranges, etc. in the embodiments of the present invention, these preset ranges should not be limited to these terms. These terms are only used to distinguish one preset range from another. For example, a first preset range may also be referred to as a second preset range, and similarly, a second preset range may also be referred to as a first preset range without departing from the scope of embodiments of the present invention.
The term "if" as used herein may be interpreted as "at" or "when" depending on the context "or" in response to a determination "or" in response to a detection. Similarly, the phrase "if determined" or "if detected (stated condition or event)" may be interpreted as "when determined" or "in response to determination" or "when detected (stated condition or event)" or "in response to detection (stated condition or event), depending on the context.
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Various structural schematic diagrams according to the disclosed embodiments of the present invention are shown in the accompanying drawings. The figures are not drawn to scale, wherein certain details are exaggerated for clarity of presentation and may have been omitted. The shapes of the various regions, layers and their relative sizes, positional relationships shown in the drawings are merely exemplary, may in practice deviate due to manufacturing tolerances or technical limitations, and one skilled in the art may additionally design regions/layers having different shapes, sizes, relative positions as actually required.
Example 1
Referring to fig. 1, the method for optimally designing the metal hose according to the present invention comprises the steps of:
1) Calculating the maximum working pressure of the metal hose at the working temperature according to GB/T14525-2010 ;
2) Calculating the axial combined rigidity of the metal hose;
The specific process of the step 2) is as follows:
Axial total stiffness of metal mesh in metal hose The method comprises the following steps:
Wherein, For the number of strands of the net cover,For the number of steel wires of each strand of the net sleeve,Is the elastic modulus of the steel wire,Is the cross-sectional area of the steel wire,For the length of the steel wire,Is the braiding angle of the steel wire.
Calculating single-section axial elastic rigidity of expansion joint in metal hose according to GB/T12777-2019Total axial stiffnessThe method comprises the following steps of:
Wherein, Is the medium diameter of the corrugated pipe,To design the temperatureThe modulus of elasticity of the lower bellows material,Is the nominal thickness of a layer of material in the bellows,Is of a thickness ofThe number of layers of the material of the corrugated pipe,Is the wave height of the corrugated pipe,In the form of a wave height coefficient,Is the peak average radius of curvature of the bellows,In order to correct the coefficient of the coefficient,Is the wave number of the corrugated pipe.
Axial combined stiffness of metal hoseThe method comprises the following steps:
。
3) According to the maximum working pressure of the metal hose at the working temperature Axial combined rigidity of metal hoseCalculating the axial total displacement of the metal hoseWherein the axial total displacement of the metal hoseThe method comprises the following steps:
Wherein the axial displacement of single wave in the metal hose The method comprises the following steps:
。
4) Calculating the stress of the expansion joint caused by external load according to GB/T12777 annex A2;
5) Calculating stress of the expansion joint of the metal hose caused by displacement;
for an expansion joint without a reinforced armor ring, the stress of the expansion joint in the metal hose caused by displacement is as follows:
Wherein, For the radial membrane stress of the bellows caused by displacement,For displacement induced radial bending stresses of the bellows,In order to correct the coefficient of the coefficient,For axial displacement of a single wave in the metal hose,Is the nominal thickness of a layer of material in the bellows,Is the modulus of elasticity of the bellows material.
For expansion joints with reinforced armor rings, the stress of the expansion joints in the metal hose caused by displacement is as follows:
Wherein, For pressure induced bellows meridian to film stress,Radial bending stress of the bellows caused by pressure.
6) Calculating the meridian total stress of the expansion joint;
7) Calculating the stress and bursting pressure of the steel wire mesh sleeve;
wherein, the stress of the steel wire mesh sleeve The method comprises the following steps:
explosion pressure of steel wire net sleeve The method comprises the following steps:
Wherein, Is the welding joint coefficient of the steel wire,Is the elastic limit of the metal net cover material,The correction coefficient for the uneven stress of the steel wire of the net sleeve,And (5) correcting the coefficient for the number of layers of the net cover.
Minimum burst pressureThe method comprises the following steps:
Wherein, Selected according to GB/T14525-2010.
8) Fatigue life design and stability calculations were performed as per GB/T12777 appendix A2.
9) According to the stress of the expansion joint caused by the load calculated in the step 4), the stress of the expansion joint of the metal hose caused by the displacement calculated in the step 5), the total radial stress of the expansion joint calculated in the step 6), the stress and bursting pressure of the steel wire mesh sleeve calculated in the step 7), the fatigue life designed in the step 8) and the calculated stability, the design structure parameters of the metal hose are determined, wherein the design structure parameters of the metal hose comprise the waveform, the wave beam and the wave length of the corrugated hose and the material, the strand number and the wire diameter of the metal mesh, and the requirements are that the different design structure parameters of the metal hose are different, and the corresponding stress of the expansion joint caused by the load, the stress of the expansion joint of the metal hose caused by the displacement, the total radial stress of the expansion joint, the stress and bursting pressure of the steel wire mesh sleeve, the fatigue life and the stability are different. According to the stress of the expansion joint caused by the load calculated in the step 4), the stress of the expansion joint of the metal hose caused by the displacement calculated in the step 5), the meridian total stress of the expansion joint calculated in the step 6), the stress and bursting pressure of the steel wire mesh sleeve calculated in the step 7), the fatigue life designed in the step 8) and the calculated stability, the design structural parameters of the metal hose meeting the above performances are selected.
The invention considers and calculates the joint stress state and coordinated deformation of the corrugated pipe and the metal net sleeve under the load action, and effectively improves the design accuracy, the application reliability and the safety of the metal hose.
Example two
Referring to fig. 2, the optimal design system of the metal hose according to the present invention includes:
a first determining module for determining stress of an expansion joint in the metal hose caused by external load;
a second determining module for determining the stress of the expansion joint in the metal hose caused by displacement;
The third determining module is used for determining the meridian total stress of the expansion joint in the metal hose;
The fourth determining module is used for determining the stress and the bursting pressure of the steel wire mesh sleeve in the metal hose;
A fifth determining module for determining fatigue life and stability of the metal hose;
And a sixth determining module, configured to select design structural parameters of the metal hose, which satisfy the stress of the expansion joint in the metal hose caused by the external load, the stress of the expansion joint in the metal hose caused by displacement, the total radial stress of the expansion joint in the metal hose, the stress and bursting pressure of the steel wire mesh in the metal hose, and the fatigue life and stability of the metal hose.
The division of the modules in the embodiments of the present invention is schematically only one logic function division, and there may be another division manner in actual implementation, and in addition, each functional module in each embodiment of the present invention may be integrated in one processor, or may exist separately and physically, or two or more modules may be integrated in one module. The integrated modules may be implemented in hardware or in software functional modules.
Example III
A computer device comprises a memory, a processor and a computer program stored in the memory and capable of running on the processor, wherein the processor executes the computer program to realize the steps of the optimal design method of the metal hose, for example, the method comprises the steps of determining the stress of an expansion joint in the metal hose caused by external load, determining the stress of the expansion joint in the metal hose caused by displacement, determining the radial total stress of the expansion joint in the metal hose, determining the stress and bursting pressure of a steel wire mesh in the metal hose, determining the fatigue life and stability of the metal hose, and determining the design structural parameters of the metal hose according to the determined stress of the expansion joint in the metal hose caused by external load, the stress of the expansion joint in the metal hose caused by displacement, the radial total stress of the expansion joint in the metal hose, the stress and bursting pressure of the steel wire mesh in the metal hose and the fatigue life and stability of the metal hose. The memory may include a memory, such as a high-speed random access memory, and may also include a nonvolatile memory, such as at least one disk memory, etc., and the processor, the network interface, and the memory may be interconnected by an internal bus, such as an industry standard architecture bus, a peripheral component interconnect standard bus, an extended industry standard architecture bus, etc., which may be classified as an address bus, a data bus, a control bus, etc. The memory is used for storing programs, which may include program code including computer operation instructions, in particular. The memory may include memory and non-volatile storage and provide instructions and data to the processor.
Example IV
A computer readable storage medium storing a computer program which when executed by a processor performs the steps of the method for optimizing a design of a metal hose, for example, comprising determining stress of an expansion joint in the metal hose caused by an external load, determining stress of an expansion joint in the metal hose caused by a displacement, determining total radial stress of an expansion joint in the metal hose, determining stress and bursting pressure of a wire mesh cover in the metal hose, determining fatigue life and stability of the metal hose, and determining design structural parameters of the metal hose according to the determined stress of an expansion joint in the metal hose caused by an external load, stress of an expansion joint in the metal hose caused by a displacement, total radial stress of an expansion joint in the metal hose, stress and bursting pressure of a wire mesh cover in the metal hose, and fatigue life and stability of the metal hose. In particular, the computer-readable storage medium includes, but is not limited to, for example, volatile memory and/or nonvolatile memory. The volatile memory may include random access memory and/or cache memory, and the like. The non-volatile memory may include read-only memory, hard disk, flash memory, optical disk, magnetic disk, and the like.
It will be appreciated by those skilled in the art that embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, optical storage, and the like) having computer-usable program code embodied therein.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This invention is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.
It is to be understood that the invention is not limited to the precise arrangements and instrumentalities shown in the drawings, which have been described above, and that various modifications and changes may be effected without departing from the scope thereof. The scope of the invention is limited only by the appended claims.
The foregoing description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and any simple modification, variation and equivalent structural changes made to the above embodiment according to the technical substance of the present invention still fall within the scope of the technical solution of the present invention.
Claims (10)
1. An optimal design method of a metal hose is characterized by comprising the following steps:
determining the stress of an expansion joint in the metal hose caused by external load;
determining the stress of an expansion joint in the metal hose caused by displacement;
Determining the meridian total stress of the expansion joint in the metal hose;
Determining the stress and bursting pressure of a steel wire mesh sleeve in the metal hose;
determining the fatigue life and stability of the metal hose;
And selecting design structural parameters of the metal hose, wherein the design structural parameters meet the stress of the expansion joint in the metal hose caused by external load, the stress of the expansion joint in the metal hose caused by displacement, the meridian total stress of the expansion joint in the metal hose, the stress and bursting pressure of the steel wire mesh in the metal hose, the fatigue life of the metal hose and the stability.
2. The method of optimizing a metal hose according to claim 1, wherein the design structural parameters of the metal hose include the waveform, beam and wavelength of the bellows in the metal hose and the material, strand count and wire diameter of the metal mesh.
3. The method for optimizing a metal hose according to claim 1, wherein the process of determining the stress of the expansion joint in the metal hose caused by the displacement is:
for an expansion joint without a reinforced armor ring, the stress of the expansion joint in the metal hose caused by displacement is as follows:
Wherein, For the radial membrane stress of the bellows caused by displacement,For displacement induced radial bending stresses of the bellows,AndIn order to correct the coefficient of the coefficient,For axial displacement of a single wave in the metal hose,Is the wave height of the corrugated pipe,Is the nominal thickness of a layer of material in the bellows,Is the elastic modulus of the corrugated pipe material;
For expansion joints with reinforced armor rings, the stress of the expansion joints in the metal hose caused by displacement is as follows:
Wherein, For pressure induced bellows meridian to film stress,For pressure induced radial bending stresses of the bellows,Is the average radius of the wave crest of the corrugated pipe,Is the wave height coefficient.
4. The method for optimizing a metal hose according to claim 1, wherein the stress of the wire mesh in the metal hoseThe method comprises the following steps:
Wherein, Is the welding joint coefficient of the steel wire,The stress non-uniformity correction coefficient of the net sleeve steel wire,The correction coefficient for the layer number of the net cover,For the maximum operating pressure of the metal hose at the operating temperature,Is the medium diameter of the corrugated pipe,Is the axial total rigidity of the expansion joint in the metal hose,Is the axial total rigidity of the metal net in the metal hose,For the number of the net cover strands,For the number of steel wires of each strand of the net sleeve,Is a braiding angle of the metal net sleeve,Is the wire diameter.
5. The method for optimizing a metal hose according to claim 4, wherein the metal mesh in the metal hose has an overall axial rigidityThe method comprises the following steps:
Wherein, The elastic modulus of the steel wire is represented,Is the cross-sectional area of the steel wire,Is the length of the steel wire.
6. The method for optimizing a metal hose according to claim 4, wherein the metal mesh in the metal hose has an overall axial rigidityThe method comprises the following steps:
Wherein, Is the single-section axial elastic rigidity of the expansion joint in the metal hose,Is the wave number of the corrugated pipe.
7. The method of optimizing a design of a metal hose according to claim 4, wherein the burst pressure of the steel wire mesh sheathThe method comprises the following steps:
Wherein, Is the elastic limit of the metal net cover material.
8. An optimal design system for a metal hose, comprising:
a first determining module for determining stress of an expansion joint in the metal hose caused by external load;
a second determining module for determining the stress of the expansion joint in the metal hose caused by displacement;
The third determining module is used for determining the meridian total stress of the expansion joint in the metal hose;
The fourth determining module is used for determining the stress and the bursting pressure of the steel wire mesh sleeve in the metal hose;
A fifth determining module for determining fatigue life and stability of the metal hose;
And a sixth determining module, configured to select design structural parameters of the metal hose, which satisfy the stress of the expansion joint in the metal hose caused by the external load, the stress of the expansion joint in the metal hose caused by displacement, the total radial stress of the expansion joint in the metal hose, the stress and bursting pressure of the steel wire mesh in the metal hose, and the fatigue life and stability of the metal hose.
9. Computer device comprising a memory, a processor and a computer program stored in the memory and executable on the processor, characterized in that the processor, when executing the computer program, carries out the steps of the method for optimizing the design of a metal hose according to any one of claims 1-7.
10. A computer-readable storage medium storing a computer program, characterized in that the computer program, when executed by a processor, implements the steps of the method for optimizing the design of a metal hose according to any one of claims 1-7.
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Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107944138A (en) * | 2017-11-23 | 2018-04-20 | 福州大学 | Steel Tube Joint factor of stress concentration computational methods based on connection stiffness |
| CN110472332A (en) * | 2019-08-15 | 2019-11-19 | 苏州热工研究院有限公司 | Evaluation method of nuclear pipeline fatigue damage based on fluid-solid coupling analysis |
| CN112329317A (en) * | 2020-11-21 | 2021-02-05 | 西安交通大学 | Accurate pipeline elbow stress calculation method |
| CN212839836U (en) * | 2020-07-21 | 2021-03-30 | 河北君业科技股份有限公司 | Prefabricated direct-burried insulating tube with temperature stress strain monitoring function |
| CN116362029A (en) * | 2023-03-20 | 2023-06-30 | 中国石油大学(华东) | A Verification Method for Burst Pressure of Type IV High-Pressure Hydrogen Storage Cylinders |
| CN116817065A (en) * | 2023-06-26 | 2023-09-29 | 西安交通大学 | Multi-directional displacement and deviation compensation device for bearing high pressure |
| WO2024032147A1 (en) * | 2022-08-10 | 2024-02-15 | 中国长江三峡集团有限公司 | Mortar lining wall thickness design method and device, and pipe repairing method and device |
| JP2024034589A (en) * | 2022-09-01 | 2024-03-13 | 国立研究開発法人物質・材料研究機構 | Load stress estimation device and method corresponding to fatigue life |
| WO2024108636A1 (en) * | 2022-11-23 | 2024-05-30 | 中国核电工程有限公司 | Mechanical calculation method and apparatus for pipeline, and analysis method and apparatus |
| CN118194418A (en) * | 2024-05-17 | 2024-06-14 | 浙江数智交院科技股份有限公司 | Design method and system of bamboo wrapped composite pipe culvert under highway load |
| CN118332883A (en) * | 2024-06-17 | 2024-07-12 | 西安航天动力研究所 | A simulation calculation method and device for metal hose detail stress |
| CN118568992A (en) * | 2024-07-30 | 2024-08-30 | 西北工业大学 | A prestressed crack arrest and life extension design method for fatigue cracks |
| CN118775659A (en) * | 2024-07-24 | 2024-10-15 | 中船双瑞(洛阳)特种装备股份有限公司 | Expansion joint with elastic reaction force self-balancing function and use method thereof |
| CN118797810A (en) * | 2024-07-09 | 2024-10-18 | 中国船舶集团有限公司第七一九研究所 | Flexible pipe design method, device, equipment and medium for ship sea access system |
| CN119670503A (en) * | 2024-12-20 | 2025-03-21 | 浙江工业大学 | A method for calculating crack stress intensity factor based on three-dimensional weight function method |
-
2025
- 2025-03-27 CN CN202510373915.5A patent/CN119885692B/en active Active
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107944138A (en) * | 2017-11-23 | 2018-04-20 | 福州大学 | Steel Tube Joint factor of stress concentration computational methods based on connection stiffness |
| CN110472332A (en) * | 2019-08-15 | 2019-11-19 | 苏州热工研究院有限公司 | Evaluation method of nuclear pipeline fatigue damage based on fluid-solid coupling analysis |
| CN212839836U (en) * | 2020-07-21 | 2021-03-30 | 河北君业科技股份有限公司 | Prefabricated direct-burried insulating tube with temperature stress strain monitoring function |
| CN112329317A (en) * | 2020-11-21 | 2021-02-05 | 西安交通大学 | Accurate pipeline elbow stress calculation method |
| WO2024032147A1 (en) * | 2022-08-10 | 2024-02-15 | 中国长江三峡集团有限公司 | Mortar lining wall thickness design method and device, and pipe repairing method and device |
| JP2024034589A (en) * | 2022-09-01 | 2024-03-13 | 国立研究開発法人物質・材料研究機構 | Load stress estimation device and method corresponding to fatigue life |
| WO2024108636A1 (en) * | 2022-11-23 | 2024-05-30 | 中国核电工程有限公司 | Mechanical calculation method and apparatus for pipeline, and analysis method and apparatus |
| CN116362029A (en) * | 2023-03-20 | 2023-06-30 | 中国石油大学(华东) | A Verification Method for Burst Pressure of Type IV High-Pressure Hydrogen Storage Cylinders |
| CN116817065A (en) * | 2023-06-26 | 2023-09-29 | 西安交通大学 | Multi-directional displacement and deviation compensation device for bearing high pressure |
| CN118194418A (en) * | 2024-05-17 | 2024-06-14 | 浙江数智交院科技股份有限公司 | Design method and system of bamboo wrapped composite pipe culvert under highway load |
| CN118332883A (en) * | 2024-06-17 | 2024-07-12 | 西安航天动力研究所 | A simulation calculation method and device for metal hose detail stress |
| CN118797810A (en) * | 2024-07-09 | 2024-10-18 | 中国船舶集团有限公司第七一九研究所 | Flexible pipe design method, device, equipment and medium for ship sea access system |
| CN118775659A (en) * | 2024-07-24 | 2024-10-15 | 中船双瑞(洛阳)特种装备股份有限公司 | Expansion joint with elastic reaction force self-balancing function and use method thereof |
| CN118568992A (en) * | 2024-07-30 | 2024-08-30 | 西北工业大学 | A prestressed crack arrest and life extension design method for fatigue cracks |
| CN119670503A (en) * | 2024-12-20 | 2025-03-21 | 浙江工业大学 | A method for calculating crack stress intensity factor based on three-dimensional weight function method |
Non-Patent Citations (2)
| Title |
|---|
| 周林;贺小华;: "层间间隙对多层U形膨胀节结构性能影响的探讨", 压力容器, no. 07, 30 July 2011 (2011-07-30) * |
| 杨玲, 吴海霞, 谢守勇, 杨国才: "膨胀节波纹管优化设计系统研究", 西南农业大学学报, no. 06, 30 December 2003 (2003-12-30) * |
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