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Fixes to NSE Tool and ES Workbench #252

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Dec 6, 2023
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14 changes: 14 additions & 0 deletions +core/+preconditioners/jacobi.m
Original file line number Diff line number Diff line change
@@ -0,0 +1,14 @@
function prec = jacobi ( A )
%
% prec = jacobi ( A )
%
% Computes the Jacobi preconditioner for the matrix A of a system Ax = b.
%

arguments
A (:,:)
end

prec = diag ( diag ( A ) ) \ eye ( size ( A ) ) ;

end % function
32 changes: 32 additions & 0 deletions +core/+preconditioners/ssor.m
Original file line number Diff line number Diff line change
@@ -0,0 +1,32 @@
function prec = ssor ( A, kwargs )
%
% prec = ssor ( A, kwargs )
%
% Computes the SSOR preconditioner for the matrix A of a system Ax = b.
%
% kwargs:
%
% - coeff = 1
%
% The preconditioner constant used in the computation. The default value of 1
% corresponds to the Gauss--Seidel preconditioner.
%

arguments
A (:,:)
kwargs.coeff (1,1) double { mustBeInRange(kwargs.coeff, 0, 2) } = 1
end

L = tril ( A ) ;

U = triu ( A ) ;

D = diag ( diag ( A ) ) ;

invD = D \ eye ( size ( D ) ) ;

coeff = kwargs.coeff ;

prec = ( D + coeff * L ) * invD * ( D + coeff * U ) ;

end % function
2 changes: 1 addition & 1 deletion m/barycentric/zef_surface_scalar_vector_Fn.m
Original file line number Diff line number Diff line change
Expand Up @@ -38,7 +38,7 @@

N = size(nodes,1);

if nargin < 3
if nargin < 4
scalar_field = ones(size(tetra,1),1);
end

Expand Down
84 changes: 76 additions & 8 deletions m/forward_simulation/nse/zef_nse_poisson_dynamic.m
Original file line number Diff line number Diff line change
Expand Up @@ -74,6 +74,11 @@
area_arteries = sum(area(I));
param_aux_integral_mean = param_aux_integral_mean/area_arteries;

param_aux_ones = zeros(size(param_aux));
param_aux_ones(t_ind) = 1;
w_3 = zef_surface_scalar_vector_F(v_1_nodes, v_1_tetra, param_aux_ones);
sum_w_3 = sum(w_3);

gravity_amplitude = nse_field.gravity_amplitude;
gravity_x = nse_field.gravity_x;
gravity_y = nse_field.gravity_y;
Expand Down Expand Up @@ -110,6 +115,10 @@
Q_2_v1 = spdiags(1./c_vec,0,size(v_1_nodes,1),size(v_1_nodes,1))*Q_2;
Q_3_v1 = spdiags(1./c_vec,0,size(v_1_nodes,1),size(v_1_nodes,1))*Q_3;

Q_1_v12 = Q_1_v1;
Q_2_v12 = Q_2_v1;
Q_3_v12 = Q_3_v1;

Q_1_v2 = Q_1_v1(:,i_node_ind);
Q_2_v2 = Q_2_v1(:,i_node_ind);
Q_3_v2 = Q_3_v1(:,i_node_ind);
Expand Down Expand Up @@ -268,15 +277,15 @@
end

KDMD = @(x) zef_KDMD(x,K_1,M_1,D_1,nse_field.use_gpu);

for i = 1 : n_time

pressure_aux = (p + pressure_reference + p_hydrostatic)/hgmm_conversion;
total_flow_aux = sum(sqrt(u_1.^2 + u_2.^2 + u_3.^2).*w_1)/(ml_min_conversion);
total_flow_aux = (sum(((p + pressure_reference)/hgmm_conversion).*w_3)/sum_w_3)*nse_field.total_flow/nse_field.pressure;
zef_waitbar(i,n_time,h_waitbar,['NSE solver: compute, total flow (ml/min): ' sprintf('%0.3g',total_flow_aux) ', 90 % pressure quantile (Hgmm): ' sprintf('%0.3g',quantile(pressure_aux,0.9)) ', 10 % pressure quantile (Hgmm): ' sprintf('%0.3g',quantile(pressure_aux,0.1)) '.']);

y_0 = y(i);

for quadrature_step_ind = 1 : n_q_steps

if nse_field.nse_type == 2
Expand Down Expand Up @@ -311,8 +320,10 @@
if quadrature_step_ind == 1
if i == 1
b = D_1 * (M_1 * (D_1 * (p_1 + source_vec * (y_0 - 2*y_1))));

else
b = D_1 * (M_1 * (D_1 * (2*p_1 - p_2 + source_vec * (y_0 - 2*y_1 + y_2))));
b = D_1 * (M_1 * (D_1 * (2*p_1 - p_2 + source_vec * (y_0 - 2*y_1 + y_2))));

end

g_mu_1 = Q_1_v1*mu_vec(i_node_ind);
Expand Down Expand Up @@ -364,6 +375,8 @@

p_2 = p_1;
p_1 = p;
max(p_1);
min(p_1);
y_2 = y_1;
y_1 = y_0;

Expand Down Expand Up @@ -411,7 +424,7 @@
bp_vessels_aux(nse_field.bp_vessel_node_ind) = abs(p + pressure_reference);
bf_vessels_to_capillaries = bp_vessels_aux(nse_field.bf_capillary_node_ind);
I_boundary = find(bf_vessels_to_capillaries);
total_flow_estimate= sum(sqrt(u_1.^2 + u_2.^2 + u_3.^2).*w_1);
total_flow_estimate = (sum(((p + pressure_reference)/hgmm_conversion).*w_3)/sum_w_3)*nse_field.total_flow/nse_field.pressure;
r = total_flow_estimate*bf_vessels_to_capillaries./sum(pressure_reference.*w_2(I_boundary));

if nse_field.use_gpu
Expand Down Expand Up @@ -487,36 +500,90 @@
end
end


u_1_2 = zeros(size(K_1,1),1);
u_1_2(i_node_ind,1) = u_1;
u_2_2 = zeros(size(K_1,1),1);
u_2_2(i_node_ind,1) = u_2;
u_3_2 = zeros(size(K_1,1),1);
u_3_2(i_node_ind,1) = u_3;
% collect1{i}=gather(u_1_2);
% collect2{i}=gather(u_2_2);
% collect3{i}=gather(u_3_2);
% trace_strain_rate2 = rateofshear(adj1,dist1,u_1_2,u_2_2,u_3_2);
% trace_strain_rate = Q_1_v12*u_1_2;
trace_strain_rate = 4.*(Q_1_v12*u_1_2).^2 + 4.*(Q_2_v12*u_2_2).^2 + 4.*(Q_3_v12*u_3_2).^2 + 2.*(Q_2_v12*u_1_2+Q_1_v12*u_2_2).^2 +...
2.*(Q_3_v12*u_1_2+Q_1_v12*u_3_2).^2+2.*(Q_3_v12*u_2_2+Q_2_v12*u_3_2).^2;
trace_strain_rate = sqrt((1/2).*trace_strain_rate);
% if i >= n_time*0.5
if nse_field.viscosity_model == 2

trace_strain_rate = abs(Q_1_v2*u_1) + abs(Q_2_v2*u_2) + abs(Q_3_v2*u_3);
% trace_strain_rate = abs(Q_1_v2*u_1) + abs(Q_2_v2*u_2) + abs(Q_3_v2*u_3);
mu_vec = nse_field.mu*trace_strain_rate.^(nse_field.viscosity_exponent-1);

elseif nse_field.viscosity_model == 3

trace_strain_rate = abs(Q_1_v2*u_1) + abs(Q_2_v2*u_2) + abs(Q_3_v2*u_3);
% trace_strain_rate = abs(Q_1_v2*u_1) + abs(Q_2_v2*u_2) + abs(Q_3_v2*u_3);
mu_vec = nse_field.mu + nse_field.viscosity_delta.*(1 + (nse_field.viscosity_relaxation_time*trace_strain_rate).^nse_field.viscosity_transition).^((nse_field.viscosity_exponent-1)./nse_field.viscosity_transition);


elseif nse_field.viscosity_model == 4

C1 = 0.00797;
C2 = 0.0608;
C3 = 0.00499;
C4 = 14.585;
Hem = 40;
TPMA = 25.9;
mu_vec = 0.1*C1*exp(C2*Hem)*exp(C4*(TPMA/(Hem^2))).*trace_strain_rate.^-(C3*Hem);
mu_vec(mu_vec>0.056) = 0.056;
mu_vec(mu_vec<0.00345) = 0.00345;
elseif nse_field.viscosity_model == 5

lambda_g = zeros(size(K_1,1),1);
n_g = zeros(size(K_1,1),1);
% trace_strain_rate2 = abs(Q_1_v2*u_1) + abs(Q_2_v2*u_2) + abs(Q_3_v2*u_3);
% trace_strain_rate = rateofshear(kk,u_1_2,u_2_2,u_3_2);
lambda_g(trace_strain_rate>0.01) = 0.0345 + 0.25.*exp(-(1+trace_strain_rate(trace_strain_rate>0.01)./50).*exp(-3.*(trace_strain_rate(trace_strain_rate>0.01)).^-1));
n_g(trace_strain_rate>0.01) = 1 - 0.45.*exp(-(1+trace_strain_rate(trace_strain_rate>0.01)./50).*exp(-4.*(trace_strain_rate(trace_strain_rate>0.01)).^-1));
mu_vec(trace_strain_rate>0.01) = 0.1*lambda_g(trace_strain_rate>0.01).*trace_strain_rate(trace_strain_rate>0.01).^(n_g(trace_strain_rate>0.01)-1);
mu_vec(trace_strain_rate<=0.01)=0.056;
mu_vec(mu_vec>0.056) = 0.056;
mu_vec(mu_vec<0.00345)=0.00345;

elseif nse_field.viscosity_model == 6
mu_vec(trace_strain_rate>0.4e-3) = (sqrt(0.0012*((1-0.35)^(-5/2))) + sqrt(0.01*((0.625*0.35)^3)./trace_strain_rate(trace_strain_rate>0.4e-3))).^2;
mu_vec(mu_vec>0.056) = 0.056;
mu_vec(mu_vec<0.00345)=0.00345;
end
% end

if ismember(nse_field.viscosity_model,[2 3])

if ismember(nse_field.viscosity_model,[2 3 4 5 6])%2 3 4 5 6

if nse_field.viscosity_smoothing > 0
if nse_field.use_gpu
mu_vec = pcg_iteration_gpu(S_mu,I_mu*mu_vec,nse_field.pcg_tol,nse_field.pcg_maxit,DM_S_mu);
strain_rate2 = pcg_iteration_gpu(S_mu,I_mu*trace_strain_rate,nse_field.pcg_tol,nse_field.pcg_maxit,DM_S_mu);
else
mu_vec = pcg_iteration(S_mu,I_mu*mu_vec,nse_field.pcg_tol,nse_field.pcg_maxit,DM_S_mu);
strain_rate2 = pcg_iteration(S_mu,I_mu*trace_strain_rate,nse_field.pcg_tol,nse_field.pcg_maxit,DM_S_mu);
end
else
strain_rate2 = trace_strain_rate;
end
D_1 = spdiags(sqrt(mu_vec),0,size(M_1,1),size(M_1,2));
KDMD = @(x) zef_KDMD(x,K_1,M_1,D_1,nse_field.use_gpu);
else
strain_rate2 = trace_strain_rate;

end

if ismember(i,time_frame_ind)

i_aux = i_aux + 1;

nse_field.shearrate1{i_aux} = zeros(size(K_1,1),1);
nse_field.bp_vessels{i_aux} = zeros(size(K_1,1),1);
nse_field.mu_vessels{i_aux} = zeros(size(K_1,1),1);
nse_field.bv_vessels_1{i_aux} = zeros(size(K_1,1),1);
Expand All @@ -526,6 +593,7 @@
nse_field.bv_vessels_2{i_aux}(i_node_ind) = gather(u_2);
nse_field.bv_vessels_3{i_aux}(i_node_ind) = gather(u_3);
nse_field.bp_vessels{i_aux} = gather(p)/hgmm_conversion + gather(p_hydrostatic)/hgmm_conversion + gather(pressure_reference)/hgmm_conversion;
nse_field.shearrate1{i_aux} = gather(strain_rate2);
nse_field.mu_vessels{i_aux} = gather(mu_vec);
if nse_field.microcirculation_model
nse_field.bf_capillaries{i_aux} = gather(mc_vec);
Expand Down
39 changes: 0 additions & 39 deletions m/zef_nse_interpolate.m

This file was deleted.

28 changes: 0 additions & 28 deletions m/zef_nse_plot_sphere.m

This file was deleted.

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