Radiation will occurīetween surfaces flagged with the same enclosure numbers. If Lab = RDSF, VALUE2 is the enclosure number. If Lab = IMPD, VALUE is resistance in (N)(s)/m 3 if VALUE > 0 and is conductance in mho if VALUE 0 and is the product of susceptance andĪngular frequency if VALUE < 0 for acoustics. Normal acceleration in transient analysis. If Lab = SHLD, VALUE is the surface normal velocity in harmonic analysis and the surface Wave propagates to the infinity the negative port number definesĪ vibro port that is the structural vibration surface. In an acoustic analysis, the positive port numberĭefines a transparent port, through which the reflected sound pressure
Of ports of the 2×2 transfer admittance matrix must be defined To the acoustic-structural interaction interface, the port numberĬorresponds to the port 2 of the transfer admittance matrix. If one port of the transfer admittance matrix is connecting The smaller port number corresponds to the port 1 of theĢ×2 transfer admittance matrix and the greater number corresponds For acousticĢ×2 transfer admittance matrix, the port number can be any positive The port number must be an integer between 1 and 50. If Lab = PORT, VALUE is a port number representing a waveguide exterior Temperatures, but may be user-defined for some elements. Used to evaluate the film coefficient is usually the average between the bulk and wall N as the film coefficient.) The temperature The SCOPT command for a way to override this option and use IfĬoefficient may be a function of temperature and is determined from the HF property VALUE2 (below) is typically the bulk temperature. VALUE is typically the film coefficient and If Lab = PRES, VALUE is the real component of Surface load value or table name reference for specifying Interaction flag (Label = FSI) to only the FLUID29, FLUID30, FLUID220, and FLUID221 elements. Thermal labels CONV and HFLUX are mutuallyįor an acoustic analysis, apply the fluid-structure
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