Operating Modes
You can work with Mechanica in two operating modes—integrated mode or independent mode. The mode you use governs whether you work primarily within the Pro/ENGINEER or Mechanica user interface, how you apply modeling entities, the modeling functions available to you, and the types of analyses you can perform.

Integrated mode incorporates Mechanica functionality into Pro/ENGINEER. In integrated mode, you create, analyze, and optimize Mechanica models within Pro/ENGINEER. Because you never start the Mechanica user interface, integrated mode eliminates the need to manually switch back and forth between Pro/ENGINEER and Mechanica. Thus, integrated mode represents the most streamlined approach to part or assembly modeling and optimization. Within integrated mode, you can work in either of two submodes depending on your modeling needs:

Native mode enables you to run integrated mode using Mechanica's adaptive P-code functionality. Native mode lets you create modeling entities like loads, constraints, idealizations, connections, properties, and measures. In this mode, Mechanica meshes your model with P-code elements and uses its own adaptive solvers to find a solution.

FEM mode enables you to run integrated mode using Mechanica's finite element modeling functionality instead of its P-code functionality. This functionality enables you to create FEM modeling entities like loads, constraints, and idealizations. It also enables you to mesh your model with H-code elements, run various types of finite element analyses including NASTRAN, ANSYS, and so forth, and review the results of the run. You can activate FEM mode by selecting the FEM Mode toggle on the Model Type dialog box before you enter Structure or Thermal in integrated mode.

Independent mode utilizes a separate, fully featured Mechanica user interface for all part modeling, analysis, and design studies. With independent mode, you can build your part or assembly in Pro/ENGINEER and transfer it to independent mode to perform simulation modeling and analysis. Alternatively, you can build your model geometry in Mechanica itself or import a model from a supported MCAD interface.

Note: If you transfer a Pro/ENGINEER model to independent mode and then save it in the independent Mechanica user interface, you cannot return any model changes or analysis results to the Pro/ENGINEER environment.

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