Contents of this CD ------------------- mthesis.pdf - a complete text of the master thesis viscoel.tgz - a tarred file including the code for viscoelastic and elastic calculations the directories include movies of the calculated results /heaviside - a heaviside loading history and rectangular glacier, the astenosphere extends from radius A=890 km /saw-tooth/rectangular - a saw-tooth loading history and rectangular glacier, the astenosphere extends from different radii, according to the filenames (55..A=550 km, 89..A=890 km, 120..A=1200 km) /saw-tooth/parabolic - a saw-tooth loading history and parabolic glacier, the astenosphere extends from radius A=890 km /preminst - the PREM instability, rectangular glacier in both cases, filenames ending with h...heaviside, A=890 km, filenames ending with st...10 saw-tooth cycles, A=1200 km /realistic - a realistic loading history, parabolic glacier, A=890 km filenames: trr,tff,trz,tzz - stress tensor components ur,uz - displacement components snorm - Euclidean norm of the tensor sigma dis - dissipation density dmax - dissipation density rescaled to the current maximum at each moment (only in /saw-tooth)