Model Repair and Geometry Reconstruction Techniques Based on Hypermesh

# 1. Introduction

## 1.1 Research Background

In the realm of engineering design and analysis, the widespread use of CAD software and finite element analysis (FEA) software has empowered engineers to better accomplish product design and optimization. Model repair and geometric reconstruction, as critical steps in the CAD preprocessing domain, hold immense significance.

## 1.2 Research Significance

Effective model repair and geometric reconstruction technologies can assist engineers in accelerating the product design and analysis process, thereby enhancing work efficiency, reducing costs, and improving product quality.

## 1.3 Current State of Research Domestically and Internationally

At present, significant achievements have been made in the research of model repair and geometric reconstruction techniques both domestically and internationally, encompassing algorithm optimization and software tool development.

## 1.4 Research Objectives and Content

This paper aims to explore model repair and geometric reconstruction techniques based on Hypermesh, delving into the software through in-depth research and practical application, and analyzing its prospects and directions for development within the engineering field by examining real-world cases.

# 2. Overview of Hypermesh

Hypermesh is a powerful finite element modeling software extensively used in the field of engineering simulation. The following section will provide an introduction to Hypermesh's basic features, its applications in finite element modeling, and the advantages it offers in model repair and geometric reconstruction.

### 2.1 Basic Introduction to Hypermesh

Developed by Altair, Hypermesh is a professional finite element pre-processing software renowned for its robust meshing and modeling capabilities. It offers a range of modeling tools capable of handling complex geometric models, providing excellent pre-processing support for finite element analysis.

### 2.2 Hypermesh's Application in Finite Element Modeling

In finite element analysis, accurate mesh models are crucial for ensuring the accuracy of analysis results. Hypermesh enables engineers to rapidly generate high-quality mesh models, reducing manual operations and enhancing work efficiency. Moreover, Hypermesh supports the definition of various material properties, boundary conditions, and loads, offering comprehensive support for finite element analysis.

### 2.3 Advantages of Hypermesh in Model Repair and Geometric Reconstruction

During model repair and geometric reconstruction, issues such as discontinuous models and geometric distortion are commonly encountered. Hypermesh provides a wealth of tools and algorithms to quickly identify and rectify these problems, ensuring the integrity and accuracy of the models. Its robust geometric reconstruction functions can restore incomplete or damaged geometric models to their original state, providing a reliable foundation for engineering design and analysis.

An overview of Hypermesh illustrates its significant role in finite element modeling, model repair, and geometric reconstruction, offering robust support for engineering simulation. Next, we will delve into the details of model repair technology, so please continue reading.

# 3. Model Repair Technology

#### 3.1 Concept and Importance of Model Repair

Model repair refers to the process of fixing various geometric problems that may arise when importing models from CAD modeling or other software into finite element software. The main purpose of model repair is to ensure the accuracy, completeness, and usability of the model's geometry, guaranteeing that subsequent finite element analyses can proceed smoothly and yield reliable results. Model repair is an indispensable step in the finite element modeling pro