### **Preprocess** For the component group of calculating the result pre-processing, the user can use the module under the group to set the symmetry constraint, material, optimization parameters, sensitivity options, multiple working conditions, and also collect the pre-processing parameters to connect the cloud server. * * * * * [![](https://box.kancloud.cn/6b22697797fa00a756353c6682b0c638_1341x451.png =230x)](Symmetry.md) [**Symmetry**](Symmetry.md) Symmetric constraints. * * * * * [![](https://box.kancloud.cn/2b7c479a28fb8ab9cac25173be98c7e8_911x291.png =230x)](Material.md) [**Material**](Material.md) Material settings. * * * * * [![](https://box.kancloud.cn/5ce806eacf6955c1999bb236921ab839_1401x851.png =230x)](OptParameters.md) [**OptParameters**](OptParameters.md) Optimize parameter settings. * * * * * [![](https://box.kancloud.cn/790c4fd73f35724c1548a31e488b6203_1831x1657.png =230x)](PreProcessing.md) [**PreProcessing**](PreProcessing.md) Pre-processing parameter set. * * * * * [![](https://box.kancloud.cn/1d3f42691c07dfc391186fb4577a7b63_1531x231.png =230x)](Sensitivity.md) [**Sensitivity**](Sensitivity.md) Sensitivity option. * * * * * [![](https://box.kancloud.cn/54502eed0692d8e73ab7c0437a37c472_1501x651.png =230x)](MultipleLoadCase.md) [**MultipleLoadCase**](MultipleLoadCase.md) Multiple settings. * * * * *