Automatic finite element modeling method applied to sanitary ware

A modeling method and finite element technology, applied in the field of finite element analysis, can solve problems such as long product development cycle, low efficiency of design analysis, and low level of automatic modeling of sanitary ware, so as to shorten the product development cycle and improve the efficiency of design analysis , the effect of reducing skill requirements

Pending Publication Date: 2021-04-02
BEIJING HUIWU KELIAN TECH
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Problems solved by technology

[0005] The invention is used to solve the problems of low automatic modeling level, low design analysis efficiency and long product development cycle of sanitary ware, provides an automatic finite element analysis method applied to toilet, and simplifies the finite element process of flushing of sanitary ware Analysis process

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  • Automatic finite element modeling method applied to sanitary ware

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specific Embodiment approach

[0020] (1) Sanitary ware model import: select the type of sanitary ware as toilet in the operation interface, and the 3D geometric model modules that need to be imported at this time are: water tank, seat ring, water bag, pipe, and the 3D geometric model of the above modules import separately

[0021] (2) Finite element meshing parameter setting: According to the type of sanitary ware and actual needs, set the meshing parameters for each module of sanitary ware, including: element shape control parameters, element size control parameters

[0022] Since the geometric model of sanitary ware is generally large and the geometric shape is relatively complex, considering factors such as calculation time and accuracy, it is necessary to use a mixture of structured grid and unstructured grid for grid division: for the siphon toilet, it is necessary to The grid unit shape of the module with a relatively regular shape of the toilet is set as a hexahedral mesh, and the shape of the grid ...

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Abstract

The invention relates to an automatic finite element modeling method applied to sanitary ware, belongs to the field of finite element analysis, and is used for solving the problems of low automatic modeling level, low design analysis efficiency and long product development period of the sanitary ware. According to the method, the finite element model of the bathroom sanitary ware is automaticallygenerated by importing the existing geometric model of the bathroom sanitary ware and setting the grid division related parameters, and therefore the grid division efficiency through finite element software is improved; a finite element analysis result is displayed through given calculation condition related parameters, and therefore a complex process of setting a large number of parameters in CFDsoftware is omitted. The invention provides an automatic finite element analysis method, the finite element analysis process of the sanitary ware flushing process is simplified, the analysis efficiency is improved, and the development period is shortened.

Description

technical field [0001] The invention relates to the field of finite element analysis, in particular to an automatic finite element analysis method for sanitary ware. Background technique [0002] With the development of computer technology, finite element simulation analysis technology has been widely used in the design process of sanitary ware. The finite element analysis method requires less equipment; short test time; requires less manpower and saves a lot of test costs; and the accuracy of the test results is high; the results are expressed in various forms and are more intuitive and clear. [0003] The process of establishing a finite element grid model is called finite element modeling, which is the key to the entire finite element analysis process. Whether the model is reasonable or not will directly affect the accuracy of calculation results, the length of calculation time, the size of storage capacity and the performance of the calculation process. No complete. ...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F30/23G06F30/17G06T17/20G06F30/28G06F113/08G06F119/14
CPCG06T17/20G06F30/17G06F30/23G06F30/28G06F2113/08G06F2119/14
Inventor 严海蓉高博远
Owner BEIJING HUIWU KELIAN TECH
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