MAKE_MECH_PROP_CASE_015.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_015(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
                   
                   
                   
      if ((depth .ge. 0.0d0).and.(zs_all .ge. 0.0d0)) then                
          ! + MATERIAL INSIDE THE BASIN 
          vs = 100.d0 + 10.d0 * depth**(0.6d0) !100.d0 + 10.d0 * Depth**(0.6d0)
          vp  = dsqrt(10.d0)*vs
          rho = 1530.d0 + 0.1d0*depth**(0.54d0)           
          lambda = rho * (vp**2 - 2*vs**2)            
          mu = rho * vs**2  
          qs = 0.1*vs
          gamma = (3.1415*(2/3))/qs          
      
      else  
         ! + MATERIAL INSIDE THE BEDROCK         
         depth_real = zs
         if (depth_real .ge. -500.0d0) then
                vs = 1000.d0     
                vp  = 1800.d0      
                rho = 2300.d0 
                lambda = rho * (vp**2 - 2*vs**2)            
                mu = rho * vs**2 
                qs = 0.1*vs            
                gamma = (3.1415*(2.d0/3.d0))/qs       
      
         elseif (depth_real .le. -500.d0 .and. depth_real .ge. -1000.0d0) then                   
                vs = 1700.d0     
                vp  = 3160.d0      
                rho = 2500.d0 
                lambda = rho * (vp**2 - 2*vs**2)            
                mu = rho * vs**2 
                qs = 0.1*vs            
                gamma = (3.1415*(2.d0/3.d0))/qs   
      
         else
                vs = 2600.d0;
                vp = 4830.d0;
                rho = 2840.d0;
                lambda = rho * (vp**2 - 2*vs**2)            
                mu = rho * vs**2 
                qs = 0.1*vs            
                gamma = (3.1415*(2.d0/3.d0))/qs   
 
      
         endif
     endif             
               
              
     
 
     end subroutine make_mech_prop_case_015