### 3.7.6. Practical Tips

The solid modeling process is generally more complicated than shell modeling is. The shape and mesh of a structure have a strong influence on the robustness of the solid modeling process. Generally speaking, the less complex the model the more robust the process. The challenges of composite modeling can vary greatly. Following composite design principles for structural concepts will aid the solid modeling process. Abrupt changes in shape and sharp edges are not advisable in composite design and also cause problems in composite modeling.

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