Dengda98 · Dengda98 · Jan 3, 2026 · Dec 31, 2025 · Dec 31, 2025 · Dec 31, 2025
diff --git a/docs/source/Gallery/ex13/plot.py b/docs/source/Gallery/ex13/plot.py
@@ -3,7 +3,7 @@
 from scipy.io import netcdf_file
 
 def plot_disp(fLst):
-    fig, axs = plt.subplots(2, 3, figsize=(12, 6))
+    fig, axs = plt.subplots(3, 3, figsize=(12, 8))
     for i, f in enumerate(fLst):
         ax3 = axs[i]
         chs = ['E', 'N', 'Z']
@@ -18,11 +18,12 @@ def plot_disp(fLst):
 
     axs[0, 0].set_ylabel("Strike-slip", fontsize=12)
     axs[1, 0].set_ylabel("Dip-slip", fontsize=12)
+    axs[2, 0].set_ylabel("Tensile", fontsize=12)
     return fig, axs
 
 def plot_stress(fLst):
-    fig, axs = plt.subplots(2, 2, figsize=(9,7), gridspec_kw=dict(hspace=0.2))
-    for i, f in enumerate([f1, f2]):
+    fig, axs = plt.subplots(2, 3, figsize=(12, 7), gridspec_kw=dict(hspace=0.2))
+    for i, f in enumerate(fLst):
         ax = axs[0, i]
         Y = f.variables['north'][:]
         ax.plot(Y, f.variables['stress_ZZ'][:,0], 'bo-', ms=3, label='ZZ')
@@ -38,33 +39,37 @@ def plot_stress(fLst):
 
     axs[0, 0].set_title("Strike-slip", fontsize=12)
     axs[0, 1].set_title("Dip-slip", fontsize=12)
+    axs[0, 2].set_title("Tensile", fontsize=12)
 
     axs[0, 0].set_ylabel("Normal", fontsize=12)
     axs[1, 0].set_ylabel("Shear", fontsize=12)
 
-    axs[0, 1].legend(bbox_to_anchor=(1.3, 1))
-    axs[1, 1].legend(bbox_to_anchor=(1.3, 1))
+    axs[0, 2].legend(bbox_to_anchor=(1.3, 1))
+    axs[1, 2].legend(bbox_to_anchor=(1.3, 1))
     return fig, axs
 
 
 # ======================================================================
 with netcdf_file("stsyn_1_stkslip.nc", mmap=False) as f1, \
-     netcdf_file("stsyn_1_dipslip.nc", mmap=False) as f2:
-    fig, axs = plot_disp([f1, f2])
+     netcdf_file("stsyn_1_dipslip.nc", mmap=False) as f2, \
+     netcdf_file("stsyn_1_tensile.nc", mmap=False) as f3:
+    fig, axs = plot_disp([f1, f2, f3])
     fig.savefig("disp1.svg", bbox_inches='tight')
-    fig, axs = plot_stress([f1, f2])
+    fig, axs = plot_stress([f1, f2, f3])
     fig.savefig("stress1.svg", bbox_inches='tight')
 
 with netcdf_file("stsyn_2_stkslip.nc", mmap=False) as f1, \
-     netcdf_file("stsyn_2_dipslip.nc", mmap=False) as f2:
-    fig, axs = plot_disp([f1, f2])
+     netcdf_file("stsyn_2_dipslip.nc", mmap=False) as f2, \
+     netcdf_file("stsyn_2_tensile.nc", mmap=False) as f3:
+    fig, axs = plot_disp([f1, f2, f3])
     fig.savefig("disp2.svg", bbox_inches='tight')
-    fig, axs = plot_stress([f1, f2])
+    fig, axs = plot_stress([f1, f2, f3])
     fig.savefig("stress2.svg", bbox_inches='tight')
 
 with netcdf_file("stsyn_3_stkslip.nc", mmap=False) as f1, \
-     netcdf_file("stsyn_3_dipslip.nc", mmap=False) as f2:
-    fig, axs = plot_disp([f1, f2])
+     netcdf_file("stsyn_3_dipslip.nc", mmap=False) as f2, \
+     netcdf_file("stsyn_3_tensile.nc", mmap=False) as f3:
+    fig, axs = plot_disp([f1, f2, f3])
     fig.savefig("disp3.svg", bbox_inches='tight')
-    fig, axs = plot_stress([f1, f2])
+    fig, axs = plot_stress([f1, f2, f3])
     fig.savefig("stress3.svg", bbox_inches='tight')
diff --git a/docs/source/Gallery/ex13/run.sh b/docs/source/Gallery/ex13/run.sh
@@ -13,6 +13,9 @@ grt static stress stsyn_1_stkslip.nc
 grt static syn -M90/70/90 -Su1e6 -e -N -Gstgrn1.nc -Ostsyn_1_dipslip.nc
 grt static stress stsyn_1_dipslip.nc
 
+grt static syn -M90/70 -Su1e6 -e -N -Gstgrn1.nc -Ostsyn_1_tensile.nc
+grt static stress stsyn_1_tensile.nc
+
 
 grt static greenfn -M$mod -D10/14 -Y3/3/1 -X-10/10/0.5 -e -Ostgrn2.nc
 
@@ -22,6 +25,8 @@ grt static stress stsyn_2_stkslip.nc
 grt static syn -M90/70/90 -Su1e6 -e -N -Gstgrn2.nc -Ostsyn_2_dipslip.nc
 grt static stress stsyn_2_dipslip.nc
 
+grt static syn -M90/70 -Su1e6 -e -N -Gstgrn2.nc -Ostsyn_2_tensile.nc
+grt static stress stsyn_2_tensile.nc
 
 mod="mod"
 grt static greenfn -M$mod -D5/0 -Y3/3/1 -X-10/10/0.5 -e -Ostgrn3.nc
@@ -32,6 +37,8 @@ grt static stress stsyn_3_stkslip.nc
 grt static syn -M90/70/90 -Su1e6 -e -N -Gstgrn3.nc -Ostsyn_3_dipslip.nc
 grt static stress stsyn_3_dipslip.nc
 
+grt static syn -M90/70 -Su1e6 -e -N -Gstgrn3.nc -Ostsyn_3_tensile.nc
+grt static stress stsyn_3_tensile.nc
 
 
 python plot.py

diff --git a/docs/source/Gallery/ex14/run.sh b/docs/source/Gallery/ex14/run.sh
diff --git a/docs/source/Tutorial/dynamic/run/run.py b/docs/source/Tutorial/dynamic/run/run.py
@@ -171,6 +171,23 @@ def plot_int_dif(stsyn:Stream, stsyn_int:Stream, stsyn_dif:Stream, comp:str, out
 # -----------------------------------------------------------------------------------
 
 
+# -----------------------------------------------------------------------------------
+# BEGIN SYN TS
+# 接之前的代码
+idx = 2
+stgrn = stgrnLst[idx]   # 选择格林函数
+
+stsyn = pygrt.utils.gen_syn_from_gf_TS(stgrn, M0=1e24, strike=33, dip=50, az=30)
+print(stsyn)
+# 3 Trace(s) in Stream:
+# .SYN..Z | 1970-01-01T00:00:00.000000Z - 1970-01-01T00:00:09.980000Z | 50.0 Hz, 500 samples
+# .SYN..R | 1970-01-01T00:00:00.000000Z - 1970-01-01T00:00:09.980000Z | 50.0 Hz, 500 samples
+# .SYN..T | 1970-01-01T00:00:00.000000Z - 1970-01-01T00:00:09.980000Z | 50.0 Hz, 500 samples
+plot_syn(stsyn, "syn_ts.svg")
+# END SYN TS
+# -----------------------------------------------------------------------------------
+
+
 # -----------------------------------------------------------------------------------
 # BEGIN SYN MT
 idx = 2

diff --git a/docs/source/Tutorial/dynamic/run/run.sh b/docs/source/Tutorial/dynamic/run/run.sh
@@ -48,6 +48,13 @@ grt syn -GGRN/milrow_2_0_10 -S1e24 -A30 -M33/50/120 -Osyn_dc
 # END SYN DC
 # -----------------------------------------------------------------------------------
 
+# -----------------------------------------------------------------------------------
+# BEGIN SYN TS
+# 合成结果在 syn_ts/ 目录下，以SAC格式保存。
+grt syn -GGRN/milrow_2_0_10 -S1e24 -A30 -M33/50 -Osyn_ts
+# END SYN TS
+# -----------------------------------------------------------------------------------
+
 # -----------------------------------------------------------------------------------
 # BEGIN SYN MT
 # 合成结果在 syn_mt/ 目录下，以SAC格式保存。

diff --git a/docs/source/Tutorial/dynamic/syn.rst b/docs/source/Tutorial/dynamic/syn.rst
@@ -126,6 +126,31 @@ Python中合成动态位移的主函数为 :func:`gen_syn_from_gf_*() <pygrt.uti
    :align: center
 
 
+张裂源
+~~~~~~~~~~~~~~
+断层走向33°，倾角50°，标量矩 1e24 dyne·cm。
+
+.. tabs::  
+
+    .. group-tab:: C 
+
+        .. literalinclude:: run/run.sh
+            :language: bash
+            :start-after: BEGIN SYN TS
+            :end-before: END SYN TS
+
+    .. group-tab:: Python 
+
+        .. literalinclude:: run/run.py
+            :language: python
+            :start-after: BEGIN SYN TS
+            :end-before: END SYN TS
+
+
+.. figure:: run/syn_ts.svg
+   :align: center
+
+
 矩张量源
 ~~~~~~~~~~~~~~
 :math:`M_{xx}=0.1, M_{xy}=-0.2, M_{xz}=1.0, M_{yy}=0.3, M_{yz}=-0.5, M_{zz}=-2.0`，单位 1e24 dyne·cm， **其中X为北向，Y为东向，Z为垂直向下**。

diff --git a/docs/source/Tutorial/static/run/run.py b/docs/source/Tutorial/static/run/run.py
@@ -77,6 +77,24 @@ def plot_static(static_syn:dict, out:Union[str,None]=None):
 # END SYN DC2
 # ---------------------------------------------------------------------------------
 
+# ---------------------------------------------------------------------------------
+# BEGIN SYN TS
+static_syn = pygrt.utils.gen_syn_from_gf_TS(static_grn, M0=1e24, strike=33, dip=50, ZNE=True)
+print(static_syn.keys())
+# dict_keys(['_xarr', '_yarr', '_src_va', '_src_vb', '_src_rho', '_rcv_va', '_rcv_vb', '_rcv_rho', 'Z', 'N', 'E'])
+plot_static(static_syn, "syn_ts.svg")
+# END SYN TS
+# ---------------------------------------------------------------------------------
+
+
+# ---------------------------------------------------------------------------------
+# BEGIN SYN TS2
+static_syn = pygrt.utils.gen_syn_from_gf_TS(static_grn, M0=1e24, strike=33, dip=90, ZNE=True)
+print(static_syn.keys())
+# dict_keys(['_xarr', '_yarr', '_src_va', '_src_vb', '_src_rho', '_rcv_va', '_rcv_vb', '_rcv_rho', 'Z', 'N', 'E'])
+plot_static(static_syn, "syn_ts2.svg")
+# END SYN TS2
+# ---------------------------------------------------------------------------------
 
 
 # ---------------------------------------------------------------------------------

diff --git a/docs/source/Tutorial/static/run/run.sh b/docs/source/Tutorial/static/run/run.sh
@@ -104,6 +104,39 @@ EOF
     gmt colorbar -Bx+l"Z (cm)"
 gmt end
 
+# ---------------------------------------------------------------------------------
+# BEGIN SYN TS
+# 从网格文件中读取格林函数，再将合成结果写入新网格
+grt static syn -S1e24 -M33/50 -N -Gstgrn.nc -Ostsyn_ts.nc
+# END SYN TS
+# ---------------------------------------------------------------------------------
+
+# 计算张裂的矩张量表示，仅绘制其中的 DC+CLVD 分量
+gmt begin syn_ts pdf
+    gmtplot_static stsyn_ts.nc -Si0.03c
+    gmt meca -Sz0.5c <<EOF
+0 0 2 $(python tension2mt.py 33 50 stsyn_ts.nc) 24
+EOF
+    gmt colorbar -Bx+l"Z (cm)"
+gmt end
+
+# ---------------------------------------------------------------------------------
+# BEGIN SYN TS2
+# 从网格文件中读取格林函数，再将合成结果写入新网格
+grt static syn -S1e24 -M33/90 -N -Gstgrn.nc -Ostsyn_ts2.nc
+# END SYN TS2
+# ---------------------------------------------------------------------------------
+
+# 计算张裂的矩张量表示，仅绘制其中的 DC+CLVD 分量
+gmt begin syn_ts2 pdf
+    gmtplot_static stsyn_ts2.nc -Si0.03c
+    gmt meca -Sz0.5c <<EOF
+0 0 2 $(python tension2mt.py 33 90 stsyn_ts2.nc) 24
+EOF
+    gmt colorbar -Bx+l"Z (cm)"
+gmt end
+
+
 # ---------------------------------------------------------------------------------
 # BEGIN SYN MT
 # 从网格文件中读取格林函数，再将合成结果写入新网格

diff --git a/docs/source/Tutorial/static/run/tension2mt.py b/docs/source/Tutorial/static/run/tension2mt.py
@@ -0,0 +1,34 @@
+"""
+    Zhu Dengda
+
+    将张裂转为矩张量表示
+"""
+from math import *
+import numpy as np
+from scipy.io import netcdf_file
+import sys
+
+strike = radians(float(sys.argv[1]))
+dip = radians(float(sys.argv[2]))
+ncfile = sys.argv[3]
+
+nvec = np.array([
+    - sin(dip) * sin(strike),
+      sin(dip) * cos(strike),
+      cos(dip),
+])
+
+vvec = nvec.copy()
+
+# 从 nc 文件中读取 src_va, src_vb
+with netcdf_file(ncfile, mmap=False) as f:
+    src_va = f._attributes['src_va']
+    src_vb = f._attributes['src_vb']
+
+M = ((src_va/src_vb)**2 - 2) * np.eye(3) * np.sum(nvec * vvec) + (np.einsum('i,j', nvec, vvec) + np.einsum('i,j', vvec, nvec))
+
+# 输出为 mrr   mtt   mff   mrt   mrf   mtf
+Mrtf = [
+    M[2,2], M[0,0], M[1,1], M[0,2], -M[1,2], -M[0,1]
+]
+print(*Mrtf, sep=' ', end='')
diff --git a/docs/source/Tutorial/static/static_syn.rst b/docs/source/Tutorial/static/static_syn.rst
@@ -118,6 +118,58 @@ Python中合成静态位移的主函数为 :func:`gen_syn_from_gf_*() <pygrt.uti
     :align: center
 
 
+张裂源
+~~~~~~~~~~~~~~
+断层走向33°，倾角50°，标量矩 1e24 dyne·cm。
+
+.. tabs::  
+
+    .. group-tab:: C 
+
+        .. literalinclude:: run/run.sh
+            :language: bash
+            :start-after: BEGIN SYN TS
+            :end-before: END SYN TS
+
+    .. group-tab:: Python 
+
+        .. literalinclude:: run/run.py
+            :language: python
+            :start-after: BEGIN SYN TS
+            :end-before: END SYN TS
+
+
+.. figure:: run/syn_ts.svg
+    :width: 500px
+    :align: center
+
+    沙滩球仅绘制了张裂源中的 DC+CLVD 分量
+
+
+这里如果改变倾角为90°，就可以看到清晰的对称辐射花样。
+
+.. tabs::  
+
+    .. group-tab:: C 
+
+        .. literalinclude:: run/run.sh
+            :language: bash
+            :start-after: BEGIN SYN TS2
+            :end-before: END SYN TS2
+
+    .. group-tab:: Python 
+
+        .. literalinclude:: run/run.py
+            :language: python
+            :start-after: BEGIN SYN TS2
+            :end-before: END SYN TS2
+
+
+.. figure:: run/syn_ts2.svg
+    :width: 500px
+    :align: center
+
+    沙滩球仅绘制了张裂源中的 DC+CLVD 分量
 
 
 矩张量源

diff --git a/pygrt/C_extension/include/grt/common/radiation.h b/pygrt/C_extension/include/grt/common/radiation.h
@@ -17,7 +17,7 @@
     X(GRT_SYN_EX, "Explosion") \
     X(GRT_SYN_SF, "Single Force") \
     X(GRT_SYN_DC, "Shear") \
-    X(GRT_SYN_TS, "Tensile") \
+    X(GRT_SYN_TS, "Tension") \
     X(GRT_SYN_MT, "Moment Tensor") \
 
 
@@ -44,7 +44,7 @@ static const char *srcTypeFullName[] = {
  * @param[in]       par_theta        方向因子中是否对theta(az)求导
  * @param[in]       M0               放大系数，对于剪切源、爆炸源、张量震源，M0是标量地震矩；对于单力源，M0是放大系数
  * @param[in]       coef             放大系数，用于位移空间导数的计算
- * @param[in]       VpVs_ratio       震源层的 Vp/Vs 比值，用于张位错源
+ * @param[in]       VpVs_ratio       震源层的 Vp/Vs 比值，用于张裂源
  * @param[in]       azrad            弧度制的方位角
  * @param[in]       mchn             震源机制参数，
  *                                   对于单力源，mchn={fn, fe, fz}，

diff --git a/pygrt/C_extension/src/dynamic/grt_syn.c b/pygrt/C_extension/src/dynamic/grt_syn.c
@@ -295,7 +295,7 @@ static void getopt_from_command(GRT_MODULE_CTRL *Ctrl, int argc, char **argv){
                 };
                 break;
 
-            // 剪切震源， 张位错源
+            // 剪切震源， 张裂源
             case 'M':
                 Ctrl->M.active = true;
                 {

diff --git a/pygrt/C_extension/src/static/grt_static_syn.c b/pygrt/C_extension/src/static/grt_static_syn.c
@@ -209,7 +209,7 @@ static void getopt_from_command(GRT_MODULE_CTRL *Ctrl, int argc, char **argv){
                 };
                 break;
 
-            // 剪切震源， 张位错源
+            // 剪切震源， 张裂源
             case 'M':
                 Ctrl->M.active = true;
                 {

diff --git a/pygrt/utils.py b/pygrt/utils.py
@@ -4,7 +4,7 @@
     :date:     2024-07-24  
 
     该文件包含一些数据处理操作上的补充:   
-        1、剪切源、张位错源、单力源、爆炸源、矩张量源 通过格林函数合成理论地震图的函数\n
+        1、剪切源、张裂源、单力源、爆炸源、矩张量源 通过格林函数合成理论地震图的函数\n
         2、Stream类型的时域卷积、微分、积分 (基于numpy和scipy)    \n
         3、Stream类型写到本地sac文件，自定义名称    \n
         4、读取波数积分和峰谷平均法过程文件  \n
@@ -96,7 +96,7 @@ def _gen_syn_from_gf(st:Stream, calc_upar:bool, compute_type:GRT_SYN_TYPE, M0:fl
     srcName = ["EX", "VF", "HF", "DD", "DS", "SS"]
     allchs = [tr.stats.channel for tr in st]
 
-    # 为张位错计算 Vp/Vs
+    # 为张裂计算 Vp/Vs
     src_va = st[0].stats.sac['user6']
     src_vb = st[0].stats.sac['user7']
     VpVs_ratio = src_va / src_vb
@@ -168,7 +168,7 @@ def _gen_syn_from_static_gf(grn:dict, calc_upar:bool, compute_type:GRT_SYN_TYPE,
     srcName = ["EX", "VF", "HF", "DD", "DS", "SS"]
     allchs = list(grn.keys())
 
-    # 为张位错计算 Vp/Vs
+    # 为张裂计算 Vp/Vs
     src_va = grn['_src_va']
     src_vb = grn['_src_vb']
     VpVs_ratio = src_va / src_vb