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根据结构连续化分析方法,采用完备的三角函数系形式表示正六边形核筒悬挂建筑结构中筒体在扭矩作用下的位移函数,并推导出核筒中的剪力墙的正应力和剪应力公式。在此基础上,得出核筒各部分的应变能。而后,根据最小势能原理,得出扭矩作用下核筒关键点处的位移值。由此,推导出了受扭核筒转角及任意指定点的应力、应变和连梁的剪力等。最后,分别采用文中的连续化方法和有限元软件Ansys9.0对一个算例进行了计算,计算结果验证了连续化方法的有效性和高效性。提出的连续化方法可以为工程实践中的计算提供一定的参考。
According to the method of continuous structural analysis, the displacement function of the cylinder in a regular hexagonal core-tube suspended structure under the action of torque is expressed by a complete system of trigonometric functions, and the normal stress and shear stress of the shear wall in the nuclear cylinder are deduced . On this basis, we can get the strain energy of each part of the core tube. Then, according to the principle of the minimum potential energy, the displacement of the core tube under the action of torque is obtained. From this, the stress, strain and shearing force of the coupled beam are deduced from the torsion angle of the torsion tube and any given point. Finally, an example is calculated by using the continuous method and the finite element software Ansys9.0 respectively. The calculation results verify the effectiveness and efficiency of the continuous method. The proposed continuous method can provide a reference for the calculation in engineering practice.