将下面一段话改为学术语言。针对张拉膜聚光器的具体设计流程如下：1、首先对张拉索-膜聚光面进行形态设计采用改进的力密度方法设计承载能力强的等张力索-膜聚光面面索、膜分别采用两节点直线单元和三角形平面膜单元来数值模拟并在商用有限元软件中验证了设计的正确性；

The specific design process for a tensioned membrane concentrator is as follows: Firstly, the "form" design of the tensioned cable-membrane concentrator surface is conducted using an improved force density method to design a tensioned cable-membrane concentrator surface with strong bearing capacity. The cable and membrane are numerically simulated using two-node linear elements and triangular planar membrane elements, respectively. The design correctness is verified using commercial finite element software.