In the paper , the method of equivalent stress is adopted to confirm the outside force of the truss model , and the factor of the angle of inclined column is considered . a design method of the wall was suggested 采用等效应力法确定了桁架模型的外力,即薄壁柱传来的荷载,其中考虑了斜柱的倾角以及反映薄壁柱与转换梁共同作用的薄壁柱端部塑性发展系数的影响。
The rails are affected by the skin effect for its large permeability and size . the track time constants are not constant due to the skin effect . for the calculation of the rails impedance , the method of equivalent cylindrical conductor is developed 由于铁轨很大的磁导率和截面尺寸,致使其阻抗在电磁暂态过程中受到了集肤效应的影响,从而使得铁轨的时间常数在暂态过程中并非是一个常数。
Rcs of facets of targets coated ram was resolved by combining impedance boundary condition ( ibc ) and geometric optics ( go ) and rcs of those edges were approximated by computing the rcs of edges of impedance wedge through method of equivalent currents 其中,涂覆目标面元的散射场是通过结合阻抗边界条件和几何光学法( go )而得到;而涂覆目标棱边的散射场则是通过等效电磁流法求解阻抗劈的边缘绕射场近似得到的。
The layered combined finite element model is taken in the finite analysis of concrete and bonding bar . in the nonlinear analysis ofunbonded prestressed concrete , the effect that unbonded tendons acts on concrete is replaced by equivalent force in the method of equivalent prestress 在有限元分析中,混凝土和粘结钢筋采用分层组合式的有限元模型,在无粘结预应力混凝土的非线性分析中,将无粘结预应力筋对混凝土的作用,借鉴预应力的荷载平衡法,用其等效力来代替预应力作用。
We do some research and discussion in the following respects : 1 、 in the respect of system modeling , since the method of equivalent has its localization , and can not adapt to the power system which is increasingly turning great . the article selects node voltage which is firstly used in the naval vessel electric power system 本文主要对舰船电力系统暂态稳定性做了一些基础性的研究,分别就以下几个方面的问题进行了研究和探讨: 1 、系统数学模型的建立方面,由于等效法具有自身的局限性,很难应用于日益庞大的舰船电力系统。