Wave propagation in a thin walled liquid filled initially stressed tube
Abstract
Wave propagation through a thin walled cylindrical orthotropic viscoelastic initially stressed tube filled with a linear elastic fluid is discussed. The influence of the initial stretch on wave propagation is studied. It is shown that initial stretch of arteries is favorable for the propagation of blood pressure pulses in mammals. The dispersion equation for the initial value problem of a semiinfinite tube is derived. It is shown that the speed of propagation and the attenuation vary with the distance from the support. The results obtained for the axial wave mode explain experimental observations, which is not possible with the results obtained for the infinite tube.
 Publication:

NASA STI/Recon Technical Report N
 Pub Date:
 April 1983
 Bibcode:
 1983STIN...8416519K
 Keywords:

 Arteries;
 Blood Flow;
 Capillary Tubes;
 Flow Equations;
 Thin Walls;
 Wave Propagation;
 Blood Pressure;
 Boundary Value Problems;
 Kinematic Equations;
 Viscoelasticity;
 Wall Flow;
 Fluid Mechanics and Heat Transfer