As it is known that the double set parameter method is an effective method for constructing finite elements of higher order problem (such as plat bending problem finite element).
众所周知，双参数方法是构造高阶问题有限元(例如薄板弯曲问题单元)的有效方法。
Unconventional double set parameter finite element approximation for a fourth order variational inequality with displacement obstacle is considered.
研究位移障碍下的一个四阶变分不等式的非常规双参数有限元逼近。
Using the double set parameter method of finite element, a class of 12 parameter rectangular plate elements, which past the generalized patch test is constructed.
本文利用有限元的双参数法，构造了一类十二参矩形板元，通过广义分片检验，因此对四阶问题收敛。
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