init

2026-03-13 11:24:41 +08:00
commit 04e2bb29c7
238 changed files with 29102 additions and 0 deletions
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+function r = grid_discretization_SP_model(modelflag, r, f, frac_information, fellip, nf)
+% 数据读取
+nx = r.nx; ny = r.ny; nz = r.nz; NTG = r.NTG; cell_mid_coords = r.cell_mid_coords;
+% 不规则边界设定
+boundary = [0,100;
+    800,50;
+    1000,150;
+    1000,350;
+    800,450;
+    0,400;
+    0,100];
+% 将不在边界内的网格的valid值赋为0
+valid_grids = ones(nx*ny*nz);
+in = inpolygon(cell_mid_coords(:,1),cell_mid_coords(:,2),boundary(:,1),boundary(:,2));
+valid_grids(~in) = 0; 
+invalid_layer = []; %
+if ~isempty(invalid_layer)
+    for i = 1:length(invalid_layer)
+        grid_numbering_range = ((invalid_layer(i)-1)*nx*ny+1:invalid_layer(i)*nx*ny)';
+        valid_grids(grid_numbering_range,1) = 0;
+    end
+end
+% 举例，给出渗透率函数形式 k(x,y) = (x/500+y/250+1)*1e-3 D，或者通过已知点插值计算等，都行
+kx = (cell_mid_coords(:,1)/500+cell_mid_coords(:,2)/250+1)*1e-3;
+ky = kx;
+kz = kx;
+% 举例，给出孔隙度函数形式 phi(x,y) = (x/20000+y/10000+0.1)，或者通过已知点插值计算等，都行
+pori = (cell_mid_coords(:,1)/20000+cell_mid_coords(:,2)/10000+0.1);
+% 
+prpor = 20; % 参考压力，MPa
+cpor = 1.0e-5;% 基质压缩系数，MPa
+rock_density = 2700; % 岩石密度，kg/m^3
+
+% SRV区域定义
+% % % base_x=23:78; nx_SRV=length(base_x);
+% % % base_y=15:36; ny_SRV=length(base_y);
+% % % base_z=1:1;nz_SRV=length(base_z);
+% % % SRV=[];
+% % % for k=1:nz_SRV
+% % %     for j=1:ny_SRV
+% % %         for i=1:nx_SRV
+% % %             SRV=[SRV;(base_z(k)-1)*nx*ny+(base_y(j)-1)*nx+base_x(i)];
+% % %         end
+% % %     end
+% % % end
+% % % % SRV渗透率赋值
+% % % kx(SRV)=0.001*1e-3 * ones(length(SRV), 1);
+% % % ky(SRV)=0.001*1e-3 * ones(length(SRV), 1);
+% % % kz(SRV)=0.001*1e-3 * ones(length(SRV), 1);
+% 裂缝孔渗
+Kf = 10000*1e-3*ones(1,nf);% 裂缝渗透率
+Wf = 1e-2*ones(1,nf);% 裂缝开度
+Porf = 0.30*ones(1,nf);% 裂缝孔隙度
+prporf = 20;% 裂缝系统参考压力
+cporf = 1.0e-5;% 裂缝系统压缩系数
+% 应力敏感系数
+stress_factor_fracture = 0.000; % 1/MPa  0.001
+stress_factor_matrix = 0.000; % 1/MPa
+stress_factor_ref_pressure = 20; % 一般取为原始地层压力
+%
+Rpt = 2;cf = 1;ca = 1;
+%% 结合基质、裂缝的几何及物性信息开展前处理
+% r = GridProp(modelflag, nx, ny, nz, dx, dy, dz, kx, ky, kz, f, fellip, Kf, Wf, pori, prpor, cpor,  Porf, prporf, cporf, cf, ca,co, NTG);
+r = GridProp_new(modelflag, r, kx, ky, kz, f, frac_information, fellip, Kf, Wf,  pori, prpor, cpor,  Porf, prporf, cporf, cf, ca,valid_grids);
+r.rock_density = rock_density;
+r.valid_grids = valid_grids;
+r.stress_factor_fracture = stress_factor_fracture;
+r.stress_factor_matrix = stress_factor_matrix;
+r.stress_factor_ref_pressure = stress_factor_ref_pressure;
+end