The design of a totalenergy conserving semi-implicit scheme for the multiple-level baroclinic primitive equation has remained an unsolved problem for a long time.
斜压原始方程半隐式全能量守恒格式的构造问题长期没有解决。
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As a main indicator of structural stability, the total potential energyequation for thin-walled members is widely referred to in academeic research and practical design of steel structures.
By using 3-d isoparametric element, the global stiffness matrix equation for the piezoelectric laminate is obtained on the bases of minimum principle of total potential energy.