【摘要】 针对钢壳-UHPC沉箱在风浪流作用下的动力响应问题，基于计算流体力学和单向流固耦合方法，建立了沉箱的三维有限元模型，对风浪流作用下钢壳-UHPC沉箱的动力响应进行了分析计算。结果表明，风浪流作用下沉箱的最大变形和最大拉应力分别为5.6 mm和9.4 MPa,沉箱结构的应力和变形均满足材料容许应力和变形限值要求。研究成果为风浪流作用下钢壳-UHPC沉箱的设计与施工提供了科学依据。更多还原

【Abstract】 Aiming at the dynamic response of steel shell-UHPC caissons under wind, wave and current actions, a three-dimensional finite element model of the caisson was established based on computational fluid dynamics and one-way fluid-structure interaction methods.The dynamic response of the steel shell-UHPC caisson under wind, wave and current loads was analyzed and calculated.The results show that the maximum deformation and maximum tensile stress of the caisson under wind, wave and current actions are 5.6 mm and 9.4 MPa respectively, and both the stress and deformation of the caisson structure meet the requirements of material allowable stress and deformation limits.The research results provide a scientific basis for the design and construction of steel shell-UHPC caissons under the combined action of wind, waves and currents.更多还原