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A structural topology optimization design platform based on ANSYS and MATLAB data interface

A technology for data interface and topology optimization, which is used in electrical digital data processing, design optimization/simulation, special data processing applications, etc.

Pending Publication Date: 2019-02-15
李迎
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Problems solved by technology

[0005] The purpose of the present invention is to solve the problem of finding the optimal topology configuration of the structure, and provide a structural topology optimization design platform based on ANSYS and MATLAB data interfaces and a software implementation approach that takes into account both efficiency and stability for complex structural optimization algorithms

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  • A structural topology optimization design platform based on ANSYS and MATLAB data interface
  • A structural topology optimization design platform based on ANSYS and MATLAB data interface
  • A structural topology optimization design platform based on ANSYS and MATLAB data interface

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example 1

[0116] The initial design model is a single-point loaded simply supported beam hinged at both ends. The span, height, and thickness are 200mm, 100mm, and 5mm, respectively. The initial model is as follows: figure 2 As shown, the initial design domain as image 3shown. A vertical downward concentrated force F=100N acts in the middle of the bottom. The elastic modulus of the material is E=200GPa, the Poisson's ratio v=0.3, and the PLANE42 unit with four nodes is adopted. When calculating, the design area is divided into 40×20 plane stress units, the hybridization rate Pc=0.05, and the variation rate Pm=0.05. Taking the stress safety as the constraint condition and aiming at reducing the concrete mass of the beam, the rational spatial distribution of the Michell-type single-point loading beam is studied by using the structural topology optimization design platform based on the data interface of ANSYS and MATLAB.

[0117] The structural topology optimization platform based on ...

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Abstract

The invention relates to a structure topology optimization design platform based on ANSYS and MATLAB data interface. The topology optimization design platform consists of three parts: structural optimization, structural analysis and executive optimization. Structural analysis is the basis of structural optimization, and structural optimization is the basis of executive optimization. MATLAB is usedas the platform to compile the main program of the optimization algorithm. Structural analysis uses the main program to call ANSYS background batch mode for auxiliary calculation. The execution optimization uses the main program to call the unit life and death module of ANSYS to execute the unit killing command, so that the structure gradually tends to the optimal topology. The topology optimization design platform is used to provide a software implementation approach for complex structural optimization algorithms.

Description

technical field [0001] The invention relates to a structure topology optimization design platform based on ANSYS and MATLAB data interfaces, belongs to the field of structure topology optimization design, and is used for providing software implementation approaches for complex structure optimization algorithms. Background technique [0002] So far, optimization design has been applied in the field of structural engineering for more than 20 years. It serves the initial stage of engineering structure design in the form of conceptual design, provides a platform for designers to choose flexible and rational solutions, and provides a platform for actual engineering design. refer to. At present, structural optimization design is in a period of vigorous development. Engineers have a deeper pursuit of optimization methods. They hope that the concept of optimization methods is easy to understand, the optimization ideas are clear, and the way of program implementation is reliable and ...

Claims

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Application Information

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IPC IPC(8): G06F17/50
CPCG06F30/23
Inventor 李迎
Owner 李迎
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