CN105117570A - Modeling method of free jet spray pipes - Google Patents
Modeling method of free jet spray pipes Download PDFInfo
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- CN105117570A CN105117570A CN201510634032.1A CN201510634032A CN105117570A CN 105117570 A CN105117570 A CN 105117570A CN 201510634032 A CN201510634032 A CN 201510634032A CN 105117570 A CN105117570 A CN 105117570A
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Abstract
The invention discloses a modeling method of a free jet spray pipe model. The modeling method is applied to establishment of a virtual test model. The method includes the following steps that forming parameters of a free jet spray pipe geometric model are set; the free jet spray pipe geometric model is established through three-dimensional design software according to the forming parameters; the free jet spray pipe geometric model is subjected to grid division through a grid division tool, and a free jet spray pipe grid model is obtained; analyzing and solving parameters of free jet spray pipes are set; free jet spray pipe analysis scripts are obtained according to the simulation analysis process of the free jet spray pipes, and the free jet spray model is obtained according to the free jet spray pipe grid model and the simulation analysis scripts. The modeling method has the following advantages that the free jet spray pipes can be independently modeled, and a virtual model of the free jet spray pipes is provided for the virtual test of a ramjet.
Description
Technical field
The present invention relates to modeling field, be specifically related to a kind of modeling method of free jet jet pipe.
Background technology
Free jet jet pipe is punching engine important component part, and its aerodynamic characteristics determines the real work performance of punching engine, but also the free jet jet pipe dummy model be applied in virtual test is not carried out to the method for modeling in prior art.
Summary of the invention
The present invention is intended at least one of solve the problems of the technologies described above.
For this reason, the object of the invention is to the modeling method proposing a kind of free jet jet pipe.
To achieve these goals, embodiments of the invention disclose a kind of modeling method of free jet jet pipe, it is characterized in that, comprise the following steps: the formation parameter arranging free jet jet pipe geometric model; Three-dimensional Design Software is used to set up described free jet jet pipe geometric model according to described formation parameter; Use stress and strain model instrument to carry out gridding to free jet jet pipe geometric model to divide and obtain free jet jet pipe grid model; Setting free jet jet pipe analysis and solution parameter, obtains free jet jet pipe according to the simulation analysis process of free jet jet pipe and analyzes script; Free jet jet pipe model is obtained according to free jet jet pipe grid model and simulation analysis script.
According to the modeling method of the free jet jet pipe of the embodiment of the present invention, modeling can be carried out to free jet jet pipe, for building of punching engine virtual test environment provides free jet jet pipe dummy model.
In addition, the modeling method of free jet jet pipe according to the above embodiment of the present invention, can also have following additional technical characteristic:
Further, described Three-dimensional Design Software is CATIA.
Further, described employing stress and strain model instrument is ICEM-CFD.
Further, described employing simulation analysis instrument is ANSYSFluent.
Additional aspect of the present invention and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the process flow diagram of the modeling method of the free jet jet pipe of one embodiment of the invention.
Embodiment
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the present invention, and can not limitation of the present invention being interpreted as.
In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance.
In describing the invention, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, concrete condition above-mentioned term concrete meaning in the present invention can be understood.
With reference to description below and accompanying drawing, these and other aspects of embodiments of the invention will be known.Describe at these and in accompanying drawing, specifically disclose some particular implementation in embodiments of the invention, representing some modes of the principle implementing embodiments of the invention, but should be appreciated that the scope of embodiments of the invention is not limited.On the contrary, embodiments of the invention comprise fall into attached claims spirit and intension within the scope of all changes, amendment and equivalent.
Below in conjunction with accompanying drawing, the modeling method according to the free jet jet pipe of the embodiment of the present invention is described.
Fig. 1 is the process flow diagram of the modeling method of the free jet jet pipe of one embodiment of the invention.
Please refer to Fig. 1, a kind of modeling method of free jet jet pipe, comprises the following steps:
S1: the formation parameter that free jet jet pipe geometric model is set.
Particularly, the formation parameter of experimentally requirements set free jet jet pipe geometric model.In examples more of the present invention, form parameter and comprise the length of free jet jet pipe, interior caliber, thickness and material etc.
S2: use Three-dimensional Design Software to set up free jet jet pipe geometric model according to formation parameter.
Particularly, CATIA software can be adopted to set up free jet jet pipe geometric model, and CATIA software has the higher advantage of surface modeling precision.
S3: use stress and strain model instrument to carry out gridding to free jet jet pipe geometric model and divide and obtain free jet jet pipe grid model.
Particularly, in an example of the present invention, use ICEM-CFD software to carry out gridding to free jet jet pipe and divide, obtain the grid model of more accurate free jet jet pipe.
S4: setting free jet jet pipe analysis and solution parameter, obtains free jet jet pipe according to the simulation analysis process of free jet jet pipe and analyze script.
Particularly, according to test demand, application simulation analysis tool solves and different solves Output rusults corresponding to parameter, obtains free jet jet pipe and analyzes script.In an example of the present invention, pressure condition or air mass flow quality requirements as selected different nozzle entry places can obtain different top hole pressure distributions or velocity distribution, finally obtain free jet jet pipe and analyze script.
S5: obtain free jet jet pipe model according to free jet jet pipe grid model and simulation analysis script.
Particularly, according to test demand, use integrated framework software, according to free jet jet pipe grid model and simulation analysis script, extract key and solve parameter, nozzle entry place pressure condition as the aforementioned or air mass flow quality requirements build the free jet jet pipe model being applicable to punching engine virtual test.
In addition, other formation of the modeling method of the free jet jet pipe of the embodiment of the present invention and effect are all known for a person skilled in the art, in order to reduce redundancy, do not repeat.
In the description of this instructions, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and describe embodiments of the invention, those having ordinary skill in the art will appreciate that: can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present invention and aim, scope of the present invention is by claim and equivalency thereof.
Claims (4)
1. a modeling method for free jet jet pipe, is characterized in that, comprises the following steps:
The formation parameter of free jet jet pipe geometric model is set;
Three-dimensional Design Software is used to set up described free jet jet pipe geometric model according to described formation parameter;
Use stress and strain model instrument to carry out gridding to described free jet jet pipe geometric model to divide and obtain free jet jet pipe grid model;
Setting free jet jet pipe analysis and solution parameter, obtains free jet jet pipe according to the simulation analysis process of free jet jet pipe and analyzes script;
Free jet jet pipe model is obtained according to free jet jet pipe grid model and simulation analysis script.
2. the modeling method of free jet jet pipe according to claim 1, is characterized in that, described Three-dimensional Design Software is CATIA.
3. the modeling method of free jet jet pipe according to claim 1, is characterized in that, described employing stress and strain model instrument is ICEM-CFD.
4. the modeling method of free jet jet pipe according to claim 1, is characterized in that, described employing simulation analysis instrument is ANSYSFluent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510634032.1A CN105117570A (en) | 2015-09-29 | 2015-09-29 | Modeling method of free jet spray pipes |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510634032.1A CN105117570A (en) | 2015-09-29 | 2015-09-29 | Modeling method of free jet spray pipes |
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| CN105117570A true CN105117570A (en) | 2015-12-02 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106507574A (en) * | 2016-09-29 | 2017-03-15 | 成都真火科技有限公司 | A kind of spraying method for aeronautical material |
| CN113468763A (en) * | 2021-07-22 | 2021-10-01 | 中国核动力研究设计院 | Design simulation method and system for simulating hydraulic characteristic test of fuel assembly |
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| US20130259186A1 (en) * | 2011-08-15 | 2013-10-03 | Bert Zauderer | Nuclear energy, metal fuel, h2 / o2 from h2o, with mhd power and propulsion for one month astronaut rocket voyages to mars |
| CN103605876A (en) * | 2013-12-11 | 2014-02-26 | 厦门大学 | Design method of fuel injection system for scramjet engine |
| CN203616135U (en) * | 2013-09-24 | 2014-05-28 | 中国航天科技集团公司第六研究院第十一研究所 | Jet nozzle |
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| CN102184294A (en) * | 2011-05-11 | 2011-09-14 | 北京动力机械研究所 | Turbine aerodynamics performance virtual testing system and method for small turbine engine |
| US20130259186A1 (en) * | 2011-08-15 | 2013-10-03 | Bert Zauderer | Nuclear energy, metal fuel, h2 / o2 from h2o, with mhd power and propulsion for one month astronaut rocket voyages to mars |
| CN203616135U (en) * | 2013-09-24 | 2014-05-28 | 中国航天科技集团公司第六研究院第十一研究所 | Jet nozzle |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106507574A (en) * | 2016-09-29 | 2017-03-15 | 成都真火科技有限公司 | A kind of spraying method for aeronautical material |
| CN106507574B (en) * | 2016-09-29 | 2019-01-25 | 成都真火科技有限公司 | A kind of spraying method for aeronautical material |
| CN113468763A (en) * | 2021-07-22 | 2021-10-01 | 中国核动力研究设计院 | Design simulation method and system for simulating hydraulic characteristic test of fuel assembly |
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Application publication date: 20151202 |