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When Ansa is used as Abaqus preprocessor for analysis, the problem of applying bolt pretension is often encountered. In addition to the complex settings, it is also easy to make mistakes, and various problems may occur if you are not careful. The following records the Ansa bolt pretension setting process and some easy mistakes, which will be used as a reference for related analysis later.

1. Solid+Assistant

The connection between the solid bolt and the flange surface must be established first. For details, please refer to Abaqus contact settings 。

Why did you choose SIMULIA? First, Abaqus is powerful and can solve most structural problems. Second, fluid-structure coupling is convenient. STAR-CCM+ comes with a case that shows you how to couple with Abaqus bidirectionally. Third, it is the inertia of past experience. After all, automobile companies use Abaqus a lot, and there are a lot of cases and resources.

1. Preparation

First install the development environment and some necessary software:

1. Related commands

In Ansa, the following commands are commonly used to set contact for Abaqus:

2. Contact pair

The most commonly used contact pairs are generally created by calling up the creation dialog box through AUXILIARIES → CONTACT → CONTACT .

Common settings are generally as follows: