Search for dissertations about: "Qingwei Liu"
Found 2 swedish dissertations containing the words Qingwei Liu.
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1. A 2D Ray Tracing Model of Ultrasonic Wave Propagation in an Anisotropic Weld
Abstract : .... READ MORE
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2. Optimal Estimation of Grain Orientation in an Anisotropic Weld by Ultrasonic Techniques
Abstract : 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. READ MORE
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