用边界单元法解三维非稳定温度场  

Three-dimensional Unsteady Temperature Field by Boundary Element Method

作　　者：田健[1] 张忠宁[1] 李新[1] 

机构地区：[1]沈阳化工学院机械工程学院,辽宁沈阳110142

出　　处：《沈阳化工学院学报》2005年第1期32-34,共3页Journal of Shenyang Institute of Chemical Technolgy

摘　　要：　采用与时间无关的基本解和分离变量法,通过严格和详细的数学推导转化工作,建立各向同性体三维非稳定温度场的积分方程、边界积分方程及其离散型方程.并将偏微分方程问题转化为一个常系数的常微分方程问题,把复杂的域积分有效地转化为边界积分,给出便于编程的计算格式.After the strict and detailed mathematical deductions, by using time independent foundamental solutions and variable separating methods, the integral equation, boundary integral equation and their discrete equations are set up. The partial differential equations are converted to differential equations with constant coefficient. In order to make the computations easier, the domain integrals are replaced by the equivalent boundary integrals and some easy for programming computation patterns are offered.

关 键 词：非稳定温度场 边界单元法 边界积分 

分 类 号：O174[理学—数学]