MAKE_MECH_PROP_CASE_030.f90

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!    Copyright (C) 2012 The SPEED FOUNDATION
!    Author: Ilario Mazzieri
!
!    This file is part of SPEED.
!
!    SPEED is free software; you can redistribute it and/or modify it
!    under the terms of the GNU Affero General Public License as
!    published by the Free Software Foundation, either version 3 of the
!    License, or (at your option) any later version.
!
!    SPEED is distributed in the hope that it will be useful, but
!    WITHOUT ANY WARRANTY; without even the implied warranty of
!    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
!    Affero General Public License for more details.
!
!    You should have received a copy of the GNU Affero General Public License
!    along with SPEED.  If not, see <http://www.gnu.org/licenses/>.
 
 
 
 
 
     subroutine make_mech_prop_case_030(rho, lambda, mu, gamma, qs, qp, & !outputs
                                        xs, ys, zs, Depth, zs_all,&
                                        vs30, thickness, sub_tag_all)
              
     real*8, intent(out) :: rho, lambda, mu, gamma, qs, qp
     real*8, intent(in)  :: xs, ys, zs, depth, zs_all,&
                            vs30, thickness
     integer*4           :: sub_tag_all         
     real*8              :: ni, vs, vp, depth_real         
              
     rho    = 0.d0;
     lambda = 0.d0;
     mu     = 0.d0;
     gamma  = 0.d0;
     qs     = 0.d0;
     qp     = 0.d0
 
 
    !
    !-------------------------------------------------------------------
    ! + MATERIAL INSIDE THE ALLUVIAL BASIN - 1st Layer
                
    if (sub_tag_all.eq.2) then
            vs = 350.d0;
            vp  = 700.d0;
            rho = 1800.d0;
            lambda = rho * (vp**2.d0 - 2.d0*vs**2.d0);
            mu = rho * vs**2.d0;
            qs = 0.05d0*vs;
            gamma = 4.d0*datan(1.d0)/qs;    
    ! + MATERIAL INSIDE THE ALLUVIAL BASIN - 2nd Layer
    elseif (sub_tag_all.eq.3) then
            vs = 700.d0;
            vp  = 1250.d0;
            rho = 2300.d0;
            lambda = rho * (vp**2.d0 - 2.d0*vs**2.d0);
            mu = rho * vs**2.d0;
            qs = 0.05d0*vs;
            gamma = 4.d0*datan(1.d0)/qs;            
    else ! + MATERIAL "ABOVE" ACROPOLI & BELOW ALLUVIONAL BASINS
            vs = 1500.d0;
            vp  = 2670.d0;
            rho = 2500.d0;
            lambda = rho * (vp**2.d0 - 2.d0*vs**2.d0);
            mu = rho * vs**2.d0;
            qs = 0.05d0*vs;
            gamma = 4.d0*datan(1.d0)/qs;
    endif
 
     
     
     end subroutine make_mech_prop_case_030