[PDF] Top 20 EVALUATING STAGE SOUND FIELD FOR ACOUSTIC DESIGN BASED ON BOUNDARY ELEMENT METHOD

... wave acoustic analysis to acoustical designs of auditoriums, calculating sound fields in stage enclosures with the model limited to the stage ...in evaluating stage sound ... See full document

... of sound fields that have been predicted using FEM is presented in the current ...inverse method for that purpose has been addressed. For this, a virtual microphone array has been created ... See full document

... finite element discretization of the time domain as well as the usual discretization of the spatial ...radiation boundary conditions [1, 2, 3, 4] in an adaptive space- time finite element ... See full document

... of sound intensity measurement equipment is small and light enough to be hand- held when used for measurements in the ...need for field verification of the equipment. Field verification ... See full document

... free field. For each source, directional impulse responses at R were ...free field boundary condition, normal acoustic impedance of ρ c was assumed on the hypothetical ... See full document

... intensity-based boundary element method replaces enclosure boundaries with a continuous distribution of broadband uncorrelated sources, which are described in terms of intensity vectors and ... See full document

... that based on the CSI MSE metric although the design considered in this paper is based on the precoding MSE only (see [14], ...is based on already optimized and fixed ... See full document

... A questionnaire of 19 questions was delivered by e-mail to 49 participants: researchers, project coordinators, project officers, consultants and others. Others refers to researchers involved in projects and recommended ... See full document

... [3] Leclerc, W., Haddad, H., & Guessasma, M. (2019). DEM-FEM coupling method to simulate thermally induced stresses and local damage in composite materials. International Journal of Solids and Structures, ... See full document

... done for selfadjoint extensions that allow for finitely many negative eigenvalues by using a variation of the current pro- cedure ...mechanism for inflation in cosmological models with compact extra ... See full document

... This system of equations are solved by use of an incremental formulation. Here ˆ u and ˆ p are the vectors of nodal point incremental displacements and pressures, respectively. t+∆t R is the vector of externally applied ... See full document

... both for acoustic optimisation during the design stage and also for evaluating noise control measures in existing ...interior sound field of the workshop modelled, ... See full document

... made based upon the results obtained, it becomes important to gather these results in real-time, making it necessary to come up with an on-line portable ...implementation on FPGAs allows the ... See full document

... Within the last two decades, a lot of work has been developed where many different ways of addressing the problem presented in this document have been proposed. In spite of the wide variety of statistical and image ... See full document

... There have been numerous approaches to meeting the color-difference challenge, well summarized by Kuehi [1]. Looking back, two pioneers stand out, Müller and Adams. Müller, as a pupil of Hering, recognized that both the ... See full document

... the sound velocity, and µ ( x , y , z , t ) are the refraction index ...The sound waves are thought propagate along the x -axis, which is a horizontal line connected to a point sound source ( x = 0 ) ... See full document

... is based on movements; then the iconic is given through images; and finally, the symbolic one, which is given through words or other ...need. On the one hand the non-narrative formats are ... See full document

... optimization method is capable of optimizing the seismic performance RCF within minutes, with the resulting building consuming the same amounts of concrete and reinforcing steel as the initial design ... See full document

... This paper firstly presents a one-dimensional model based on the discrete crack approach for concrete and the spectral element method for the numerical simulation of the IC debonding pr[r] ... See full document

... layer for a plain barrier has been analysed with two types of ground: hard ( σ = 600 kN-s/m 4 ) and soft ( σ = 200 kN-s/m 4 ...determined for hard ground, with the constrain of no larger distance from ... See full document