Sökning: "anisotropic weld model"

Hittade 2 avhandlingar innehållade orden anisotropic weld model.

1. 1. A 2D Ray Tracing Model of Ultrasonic Wave Propagation in an Anisotropic Weld

   Författare :Qingwei Liu; Chalmers tekniska högskola; []
   Nyckelord :probe model; ray tracing; anisotropic weld; wave propagation; FEM;

   Sammanfattning : .... LÄS MER

3. 2. Optimal Estimation of Grain Orientation in an Anisotropic Weld by Ultrasonic Techniques

   Författare :Qingwei Liu; Chalmers tekniska högskola; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; anisotropic weld model; multi-objective genetic algorithm; nonlinear optimization; ultrasonic probe model; 2D ray tracing;

   Sammanfattning : Grain orientation in an anisotropic weld highly influences ultrasound paths and thus is a significant parameter when making simulations of ultrasonic testing of anisotropic welds. Though each weld is thought to be unique in its structure, the common procedure in modeling is to prescribe the grain orientation in a weld based on limited experience. LÄS MER