On the numerical solution of Helmholtz's equation by different finite element methods
Neittaanmäki, P. (1983). On the numerical solution of Helmholtz's equation by different finite element methods. ZAMM, 63 (5), T364-T366.
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Mönkölä, Sanna (University of Jyväskylä, 2008)
Airaksinen, Tuomas; Toivanen, Jari (Elsevier, 2013)A new method is presented to obtain a local active noise control that is optimal in stochastic environment. The method uses numerical acoustical modeling that is performed in the frequency domain by using a sequence of ...
On different finite element methods for approximating the gradient of the solution to the helmholtz equation Haslinger, Jaroslav; Neittaanmäki, Pekka (North-Holland, 1984)We consider the numerical solution of the Helmholtz equation by different finite element methods. In particular, we are interested in finding an efficient method for approximating the gradient of the solution. We first ...
Airaksinen, Tuomas; Heikkola, Erkki; Toivanen, Jari (World Scientific Publishing, 2011)A numerical method for optimizing the local control of sound in a stochastic domain is developed. A three-dimensional enclosed acoustic space, for example, a cabin with acoustic actuators in given locations is modeled ...
Harrach, Bastian; Pohjola, Valter; Salo, Mikko (Society for Industrial and Applied Mathematics, 2019)The article [B. Harrach, V. Pohjola, and M. Salo, Anal. PDE] established a monotonicity inequality for the Helmholtz equation and presented applications to shape detection and local uniqueness in inverse boundary problems. ...