CN105631135A - Rapid modeling analysis system based on ABAQUS foundation pit excavation and application system thereof - Google Patents
Rapid modeling analysis system based on ABAQUS foundation pit excavation and application system thereof Download PDFInfo
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- 238000009412 basement excavation Methods 0.000 title claims abstract description 30
- 238000004458 analytical method Methods 0.000 title claims abstract description 28
- 238000012545 processing Methods 0.000 claims abstract description 39
- 238000004364 calculation method Methods 0.000 claims abstract description 38
- 238000000034 method Methods 0.000 claims description 27
- 230000008676 import Effects 0.000 claims description 16
- 239000002689 soil Substances 0.000 claims description 15
- 239000000203 mixture Substances 0.000 claims description 6
- 230000007613 environmental effect Effects 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 3
- 230000007812 deficiency Effects 0.000 description 2
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- 238000002203 pretreatment Methods 0.000 description 2
- 241000209202 Bromus secalinus Species 0.000 description 1
- 238000010835 comparative analysis Methods 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 238000012407 engineering method Methods 0.000 description 1
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- 238000004088 simulation Methods 0.000 description 1
- 230000033772 system development Effects 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/10—Geometric CAD
- G06F30/13—Architectural design, e.g. computer-aided architectural design [CAAD] related to design of buildings, bridges, landscapes, production plants or roads
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/30—Circuit design
- G06F30/36—Circuit design at the analogue level
- G06F30/367—Design verification, e.g. using simulation, simulation program with integrated circuit emphasis [SPICE], direct methods or relaxation methods
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Abstract
The invention relates to the field of foundation pit construction, in particular to a rapid modeling analysis system based on ABAQUS foundation pit excavation and an application system thereof. The rapid modeling analysis system is characterized by comprising, at least, a plane calculation processing module, a three-dimensional calculation processing module, an interface module and a parameter or tool module, wherein the plane calculation processing module and the three-dimensional calculation processing module are respectively connected with an ABAQUS system, and the interface module and the parameter or tool module are respectively in data connection with the plane calculation processing module and the three-dimensional calculation processing module. The rapid modeling analysis system has the advantages that a technical access threshold is low; a user can smoothly complete foundation pit project modeling only by performing operation according to system prompts without rich foundation pit numerical analysis experiences.
Description
Technical field
The present invention relates to foundation pit construction field, especially based on ABAQUS excavation of foundation pit rapid modeling analytical system and application method thereof.
Background technology
Recent two decades comes, along with the develop rapidly of China's building cause, the scale of Ji Keng is increasing, the excavation degree of depth is more and more darker, and the prosperous buildings in urban region is intensive, pipeline is various, subway station is densely covered, subway sectional tunnel is crisscross, deep-foundation pit engineering under this kind of complicated urban environment, it is necessary to pay close attention to base hole itself and Ji Keng to the impact of the existing buildings or structures of periphery and pipeline.
Base pit engineering and surrounding environment are systems interacted, and Continuous medium FEM method is the effective ways of simulating excavation problem. The finite element software that now common foundation pit deformation is analyzed, comprises large scale business finite element analysis software and the professional software of ground aspect, it is possible to accurately predicts, verify foundation pit deformation, but these softwares also exist following deficiency:
(1) technology dependence is strong. For the modeling of complicated Ji Keng, analyze personnel it is necessary to have abundant numerical evaluation experience, could reasonably process stress and strain model, final condition is set, the problems such as construction operating mode are set.
(2) analysis efficiency is low. Utilization common are finite element analysis software analysis foundation pit deformation, want to obtain rational result, need the at substantial time on model amendment with stress and strain model, and the time for Optimize parameter correspondingly reduces, but, the process that Optimize parameter is most crucial inside finite element analysis often. So, irrational time structure just causes the low of analysis efficiency.
(3) parameter analysis ability is weak. A large amount of base hole numerical evaluation cases shows, the optimizing process of calculating parameter calculates extremely important for foundation pit deformation, such as go along with sb. to guard him the degree of depth, inner support spacing, distribution digging depth, base hole shape and size etc., conventional finite element software is revised these parameters and is equal to modeling again, causing a large amount of repetitive work, too much workload also just makes the Parametric Analysis ability of numerical analysis software reduce.
ANASYS is carried out secondary development in deep-foundation pit engineering method of addition by Chen Weijun, peaceful assistant niche, but the object of numerical simulation is only limitted to simple two dimension interface, and aftertreatment means are abundant not. Li Weitao is in its Ph D dissertation " deep-foundation pit engineering three-dimensional artificial analytical system development research ", adopt VisualBasic means that ANASYS is carried out secondary development, this system can play a role for the Modelling and calculation of the Ji Keng with complex boundary, but its modeling process is comparatively loaded down with trivial details, and do not consider that excavation of foundation pit is on the impact of contiguous buildings or structures. The patent " implementation method of the calculation task of ABAQUS and device " that Shuguang Information Industry Co., Ltd applies at it proposes a kind of method and the device that generate ABAQUS calculation task, this device obtains the input instruction of user by the operation of graphical user, and resolve user instruction, then by reasonably distributes calculation resources, calculation task safe and stable operation in ABAQUS is ensured. The shortcoming of this patent is that it is just optimized in the pre-treatment of finite element analysis based on ABAQUS, makes user more succinct in the generation and submission of calculation task, it does not have to cover the whole flow process of finite element analysis.
Summary of the invention
It is an object of the invention to according to above-mentioned the deficiencies in the prior art, provide based on ABAQUS excavation of foundation pit rapid modeling analytical system and application method thereof, optimize by carrying out the pre-treatment process of base pit engineering numerical analysis and last handling process refining, it is achieved that analyze based on ABAQUS excavation of foundation pit rapid modeling.
The object of the invention realizes completing by following technical scheme:
A kind of based on ABAQUS excavation of foundation pit rapid modeling analytical system, relate to ABAQUS system, it is characterized in that: described system at least comprises plane computations processing module, three-dimensional computations processing module, interface module and parameter or instrument module, wherein said plane computations processing module and described three-dimensional computations processing module are connected with described ABAQUS System's composition respectively, and described interface module and described parameter or instrument module are connected with described plane computations processing module and described three-dimensional computations processing module composition data respectively.
Described plane computations processing module and described three-dimensional computations processing module comprise parameter input module, MBM, result display module, results analyses module and result derive module, wherein said parameter input module is connected to realize parametric modeling with described MBM, described MBM is connected with described ABAQUS system to be read for described ABAQUS system by model and calculates, the calculation result of described ABAQUS system is shown by described result display module, the calculation result of described ABAQUS system is analyzed by described results analyses module, described result derives module and the calculation result of described ABAQUS system is derived.
Described three-dimensional computations processing module comprises areal model and imports module, and described areal model imports module and is connected with described MBM.
Relate to the above-mentioned application method based on ABAQUS excavation of foundation pit rapid modeling analytical system, it be applied to base pit engineering excavation modeling analysis, it is characterised in that: described method at least comprises the following steps:
The part attribute of excavation models yet to be built is controlled by parameter or instrument module, the main function of parameter in part attribute is control modeling in early stage, computation process and aftertreatment, comprises the contact attribute of model, the speed of convergence of calculating, the fine degree etc. of stress and strain model;
By environmental data residing for parameter input module input, definition and base pit engineering, base hole characteristic parameter, soil parameters, the calculating parameter of works and excavation of foundation pit operating mode and load and Ji Keng limit load;
MBM is according to the input data modeling of described parameter input module and submits to ABAQUS system;
Read the calculation result of described ABAQUS system by results analyses module and result display module, derive, by result, the calculation result that module derives described ABAQUS system.
When base pit engineering periphery exists tunnel, by parameter input module input, the distribution relation defined between described Ji Keng and described tunnel and tunnel geometrical shape.
The described soil parameters matched with deep excavation project is imported by interface module.
It is an advantage of the invention that: (1) technique approval threshold is low; User cheats numerical analysis experience without the need for abundant base, it is only necessary to operates according to system prompting, just can complete base pit engineering modeling smoothly.
(2) parametric modeling, modeling speed is fast; Modeling for base pit engineering is that the parameter according to user's input is set up, and also accelerates modeling speed while specification modeling process.
(3) parameter analysis ability is strong; Due to parametric modeling, in foundation pit deformation is analyzed, for the analysis of a certain parameter, it is only necessary to revise this parameter in model process of establishing, just can change design condition, obtain different calculation result, thus very easily this parameter be analyzed.
(4) complicated base hole profile can be imported by AUTOCAD drawing; For the Ji Keng that outline is complicated especially, the present invention has reserved AUTOCAD introducting interface, and user can directly import base hole design paper, just can generate the profile of Ji Keng inside system of the present invention.
(5) aftertreatment result is more directly perceived; Optimizing the last handling process of ABAQUS, user can select distortion, the internal force situation of watching different structure or the soil body, meanwhile, moreover it is possible to generate the animation of all kinds of comparative analysis curve and Excavation Process.
(6) calculation sheet generates; System is after calculating, having analyzed, it is possible to automatically generate calculation sheet, saves the plenty of time that user edits calculation sheet and needs to expend.
Accompanying drawing explanation
Fig. 1 is the system architecture diagram of the present invention;
Fig. 2 is the schema that midplane computing module of the present invention is implemented;
Fig. 3 is the schema that in the present invention, three-dimensional computations processing module is implemented.
Embodiment
Feature of present invention and other correlated characteristic are described in further detail by embodiment below in conjunction with accompanying drawing, so that the understanding of technician of the same trade:
Embodiment one: as shown in Figure 1, the present embodiment comprises plane computations processing module based on ABAQUS excavation of foundation pit rapid modeling analytical system, three-dimensional computations processing module, interface module and parameter or instrument module, wherein plane computations processing module and three-dimensional computations processing module are connected with ABAQUS System's composition respectively, read with the modeling confession ABAQUS system that two processing modules are completed and calculate, the model that modeling system is built up can directly for ABAQUS calculating module be used, can calculate in module at ABAQUS and directly calculate, and interface module and parameter or instrument module are connected with plane computations processing module and three-dimensional computations processing module composition data respectively, so that two modelings that processing module carries out are defined, so that the parameter that modeling defines according to user, user-selected has arranged modeling.
As shown in Figures 2 and 3, plane computations processing module and three-dimensional computations processing module comprise parameter input module, MBM, result display module, results analyses module and result derive module, wherein parameter input module is connected to realize parametric modeling with MBM, MBM is connected with ABAQUS system to be read for ABAQUS system by model and calculates, the calculation result of ABAQUS system is shown by result display module, the calculation result of ABAQUS system is analyzed by results analyses module, result derives module and the calculation result of ABAQUS system is derived.
As shown in Figure 3, setting up the excavation models of outline complexity for the ease of user, three-dimensional computations processing module also includes an AUTOCAD and imports module, and this AUTOCAD imports module and is connected with MBM. User can input modeling according to self-condition Selection parameter or utilize existing AUTOCAD model to import MBM and carry out modeling. It is that the areal model existed is imported to MBM that AUTOCAD imports module, and it is that three-dimensional modeling is used that MBM can extract part layer wherein, and part layer comprises the shape layer of the support in CAD diagram paper with Ji Keng. The drawing parameters such as wherein, MBM is when extracting AUTOCAD model, and user's needs set the parameter that AUTOCAD docks with MBM in parameter or instrument module, the unit adopted when this parameter refers to version, the CAD drawing of CAD, to facilitate docking.
Interface module is the self-defined window of a user, user can the constitutive model of the self-defined soil body, the calculating parameter etc. of soil in interface module, self-defined by these parameters, user can set up the computation model of a more realistic situation of calculation result.
Parameter or instrument module can limit MBM, result display module, results analyses module, result derive module and arrange fill order according to user.
When the system in the present embodiment is when running plane computations processing module, comprise the steps:
Step one, before input parametrization order, by the core number of CPU needed for the part attribute of parameter or instrument module control institute established model and Distribution Calculation.
Step 2, enters parametric modeling interface, inputs engineering information by parameter input module, and roughly defines environment residing for engineering, and such as, whether periphery exists tunnel and tunnel and there is quantity, and whether periphery exists buildings and buildings feature etc. Compute type selects two dimension to calculate.
Step 3, if the periphery of Ji Keng exists tunnel, then defines the distribution relation of tunnel and Ji Keng, inputted tunnel geometrical shape and the parameter of base hole key feature by parameter input module simultaneously, such as, foundation pit enclosure structure thickness, length etc., arrange computational fields size.
Step 4, definition soil parameters. Internal system carries conventional soil layer calculating parameter, and user can select according to practical situation, if built-in conventional soil layer calculating parameter can not be met consumers' demand, user can import new soil layer calculating parameter according to actual engineering from interface module.
Step 5, the calculating parameter of definition structure thing, such as, the concrete class of choice structure, Young's modulus, Poisson's ratio etc.
Step 6, definition excavation of foundation pit operating mode and load and Ji Keng limit load.
Step 7, MBM generates computation model, submits to computation model to ABAQUS system, and waits that ABAQUS feeds back calculation result.
Step 8, after having calculated, carries out aftertreatment. User can check calculation result voluntarily according to the prompting of results analyses module and result display module, also according to user's self-demand, can derive module by result and derive calculation sheet, calculate data file, dynamic video etc.
Embodiment two: the difference of the present embodiment compared with embodiment one is: the present embodiment system runs three-dimensional computations processing module; as shown in Figure 3; the calculating of three-dimensional computations processing module can select input parameter model or AUTOCAD to import modeling, and concrete steps below import modeling for selecting AUTOCAD.
Step one, before input parametrization order, by the core number of CPU needed for the part attribute of parameter or instrument module control institute established model and Distribution Calculation.
Step 2, input engineering information, and roughly define environment residing for engineering, such as, whether periphery exists tunnel and tunnel and there is quantity, and whether periphery exists buildings and buildings feature etc. Compute type selects three-dimensional computations.
Step 3, selects suitable AUTOCAD version and native system to connect. Select treated support, go along with sb. to guard him file, select drawing unit, import file.
Step 4, the parameter of definition base hole key feature, such as, foundation pit enclosure structure thickness, length etc., arrange computational fields size. There is tunnel or buildings if having selected in step 2, also needing the constitutional features defining buildings and tunnel, such as, geometrical shape, mechanical characteristics parameter etc.
Step 5, definition soil parameters. Internal system carries conventional soil layer calculating parameter, and user can select according to practical situation, if built-in conventional soil layer calculating parameter can not be met consumers' demand, user can import new soil layer calculating parameter according to actual engineering from interface module.
Step 6, the calculating parameter of definition structure thing, such as, the concrete class of choice structure, Young's modulus, Poisson's ratio etc.
Step 7, definition excavation of foundation pit operating mode and load and Ji Keng limit load.
Step 8, generates computation model, submits to computation model to ABAQUS, and waits that ABAQUS feeds back calculation result.
Step 9, after having calculated, carries out aftertreatment. User can check calculation result voluntarily according to interface prompt. Also according to user's self-demand, calculation sheet can be derived, calculates data file, dynamic video etc.
The present embodiment is in the specific implementation: it is only that areal model imports the one in module that AUTOCAD imports module, it is also possible to the importing module arranging other conventional modeling softwares is to meet the needs of modeling.
Claims (6)
1. one kind based on ABAQUS excavation of foundation pit rapid modeling analytical system, relate to ABAQUS system, it is characterized in that: described system at least comprises plane computations processing module, three-dimensional computations processing module, interface module and parameter or instrument module, wherein said plane computations processing module and described three-dimensional computations processing module are connected with described ABAQUS System's composition respectively, and described interface module and described parameter or instrument module are connected with described plane computations processing module and described three-dimensional computations processing module composition data respectively.
2. one according to claim 1 is based on ABAQUS excavation of foundation pit rapid modeling analytical system, it is characterized in that: described plane computations processing module and described three-dimensional computations processing module comprise parameter input module, MBM, result display module, results analyses module and result derive module, wherein said parameter input module is connected to realize parametric modeling with described MBM, described MBM is connected with described ABAQUS system to be read for described ABAQUS system by model and calculates, the calculation result of described ABAQUS system is shown by described result display module, the calculation result of described ABAQUS system is analyzed by described results analyses module, described result derives module and the calculation result of described ABAQUS system is derived.
3. one according to claim 2 is based on ABAQUS excavation of foundation pit rapid modeling analytical system, it is characterised in that: described three-dimensional computations processing module comprises areal model and imports module, and described areal model imports module and is connected with described MBM.
4. relate to the application method based on ABAQUS excavation of foundation pit rapid modeling analytical system described in claim 1-3, it be applied to base pit engineering excavation modeling analysis, it is characterised in that: described method at least comprises the following steps:
The part attribute of excavation models yet to be built is controlled, to control modeling in early stage, computation process and last handling process by parameter or instrument module;
By environmental data residing for parameter input module input, definition and base pit engineering, base hole characteristic parameter, soil parameters, the calculating parameter of works and excavation of foundation pit operating mode and load and Ji Keng limit load;
MBM is according to the input data modeling of described parameter input module and submits to ABAQUS system;
Read the calculation result of described ABAQUS system by results analyses module and result display module, derive, by result, the calculation result that module derives described ABAQUS system.
5. a kind of application method based on ABAQUS excavation of foundation pit rapid modeling analytical system according to claim 4, it is characterized in that: when base pit engineering periphery exists tunnel, by parameter input module input, the distribution relation defined between described Ji Keng and described tunnel and tunnel geometrical shape.
6. a kind of application method based on ABAQUS excavation of foundation pit rapid modeling analytical system according to claim 4, it is characterised in that: the described soil parameters matched with deep excavation project is imported by interface module.
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| CN106780723A (en) * | 2016-12-16 | 2017-05-31 | 上海岩土工程勘察设计研究院有限公司 | A kind of method that utilization BIM technology realizes foundation ditch fast parameter three-dimensional modeling |
| CN107292962A (en) * | 2017-08-23 | 2017-10-24 | 太仓苏易信息科技有限公司 | A kind of Virtual Modeling System calculated for foundation ditch parameter |
| CN108763679A (en) * | 2018-05-16 | 2018-11-06 | 江苏省建筑科学研究院有限公司 | A kind of soil-piping lane system automation numerical modeling method and system |
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Address after: 200032 18, building 681, Xiao Mu Qiao Road, Xuhui District, Shanghai. Patentee after: Shanghai Survey, Design and Research Institute (Group) Co.,Ltd. Country or region after: China Address before: 200032 18, building 681, Xiao Mu Qiao Road, Xuhui District, Shanghai. Patentee before: SHANGHAI GEOTECHNICAL INVESTIGATIONS & DESIGN INSTITUTE Co.,Ltd. Country or region before: China |
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