Cross-software-platform joint mechanical simulation method considering uneven mechanical property distribution of casting

A technology of software platform and simulation method, applied in design optimization/simulation, informatics, computer material science, etc.

Pending Publication Date: 2022-07-29
苏州匀晶金属科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present invention aims at the lack of an effective mechanical simulation method considering the inhomogeneity of mechanical properties of metal castin

Method used

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  • Cross-software-platform joint mechanical simulation method considering uneven mechanical property distribution of casting
  • Cross-software-platform joint mechanical simulation method considering uneven mechanical property distribution of casting
  • Cross-software-platform joint mechanical simulation method considering uneven mechanical property distribution of casting

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specific Embodiment

[0051] The model and cooling rate information are obtained through the ProCAST casting simulation software, and then imported into ABAQUS for mechanical simulation of a typical A356 casting. The specific steps include:

[0052] Step 1. Obtain the mesh file in ProCAST. After the casting simulation is completed, open the g.unf file in the Viewer section, then click Mesh in the upper left corner, and click Export in the File drop-down menu to output the g.inp file.

[0053] Step 2. Obtain the cooling rate file in ProCAST. The cooling rate is distributed in three dimensions in the casting such as figure 2 shown. In the Viewer section of ProCAST, click Metallurgical Tools in the pull-down menu of Results, select R, G, L, according to the nyiamacriterion calculation criteria, fill in A with 1, B with 0, C with 1, D with -0.5, and L upper temperature with 615 ( Tliquidus+2), L lower temperature fill in 548 (Tsolidus), R, G temperature fill in 554.5 (Tsolidus+0.1*(Tliquidus-Tsolidu...

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Abstract

The invention provides a cross-software-platform joint mechanical simulation method considering uneven mechanical property distribution of a casting, and solves the problem that a mechanical simulation method effectively considering mechanical property nonuniformity of a metal casting part does not exist at present. According to the mechanical simulation method, the cooling rate of each part of a casting is determined on the basis of casting mold flow analysis software, a material mechanical constitutive model related to the melt cooling rate is established, and on the basis, finite element mechanical analysis software is used for achieving consideration of the mechanical property non-uniformity of the metal casting part.

Description

technical field [0001] The invention belongs to the technical field of mechanical property simulation and structural design of metal material castings, and particularly relates to a cross-platform joint mechanical simulation method considering the uneven distribution of mechanical properties of castings. Background technique [0002] Casting is a widely used metal parts forming technology. The structure of metal castings is complex, and the uneven wall thickness of each part is common. During the solidification of the molten metal in the casting cavity, the cooling rate of the parts with uneven wall thickness will also be different, and the uneven cooling rate will lead to differences in the microstructure and mechanical properties of each part. Therefore, in castings, especially complex castings, the uneven characteristics of mechanical properties of various parts are common. [0003] At present, most of the mechanical simulation and structural design methods of metal cas...

Claims

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Application Information

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IPC IPC(8): G06F30/23G16C60/00G06F111/04G06F111/10G06F119/14
CPCG06F30/23G16C60/00G06F2111/04G06F2111/10G06F2119/14
Inventor 陈豫增郑欢张文祥李皓天崔晓鹏
Owner 苏州匀晶金属科技有限公司
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