Virtual cutting algorithm based on silica gel healing model

The invention provides a virtual cutting algorithm based on a silica gel healing model, in particular comprising the following steps: step 1) establishing a finite element control equation; 2) detecting the incision generated by the cut condition, and generating a mesh model incorporated into the silica gel healing model in real time; 3) real-time state detection; 4) real-time render: real-time rendering the incision to exhibit the heal effect. The invention has the beneficial effects that: the silica gel healing model is incorporated, wherein the friction force of the biological soft tissue to the virtual scalpel is the basic characteristic of the biological soft tissue, the simulation cutting with the friction force is more according with the reality, and is more conducive for the surgeon to grasp the degree of application of the force. 本发明提出了种基于硅胶愈合模型的虚拟切割算法，具体包括如下步骤：步骤1）建立有限元控制方程；步骤2）检测切割条件产生切口，并实时产生纳入硅胶愈合模型的网格模型；步骤3）实时状态检测；步骤4）实时渲染：对切口进行实时渲染，展现愈合效果。有益效果：纳入了硅胶愈合模型，其中生物软组织对虚拟手术刀的摩擦力是生物软组织的基本特性，存在摩擦力进行模拟切割更