Unstructured tetrahedral meshes are used to simulate the flow field inside high pressure combined valves of a 600mw ultra supercritical steam turbine under the nominal condition.

采用非结构化四面体网格，对某600 MW超超临界汽轮机组高压主汽调节联合阀的额定工况进行了数值模拟。

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In this paper, a general method of three dimensional vector potential solution for nonlinear magnetostatic field problem by means of the finite tetrahedral element method is presented.

本文给出了用有限四面体单元计算三维非线性恒定磁场的一般过程。

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