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As computation technology develops, sound field numerical simulation in-vehicle has attracted more and more attention. However, it is difficult to simulate sound field in-vehicle at high frequency by using wave-equation-based numerical methods, such as finite element method (FEM), finite difference in time domain (FDTD), etc. To extend the region of effective frequencies, a combined method consisting of finite element method (FEM) and ray-tracking method can be used to simulate the sound fielddoi:10.18154/rwth-conv-238946 fatcat:kzy2c2mcvvg6lfq46n2engl7p4