Add new optimization objectives and parametrizations

CMakeLists.txt

@@ -232,6 +232,10 @@ target_link_libraries(polyfem PUBLIC simple_bvh::simple_bvh)
 include(mshio)
 target_link_libraries(polyfem PUBLIC mshio)
 
+# Nanospline
+include(nanospline)
+target_link_libraries(polyfem PUBLIC nanospline)
+
 # Geogram
 include(geogram)
 target_link_libraries(polyfem PUBLIC geogram)

cmake/recipes/nanospline.cmake

@@ -0,0 +1,13 @@
+# Nanospline (https://github.com/qnzhou/nanospline)
+# License: Mozilla Public License 2.0
+
+if(TARGET nanospline)
+    return()
+endif()
+
+message(STATUS "Third-party: creating target 'nanospline'")
+
+option(NANOSPLINE_BUILD_TESTS "Build Tests" OFF)
+
+include(CPM)
+CPMAddPackage("gh:qnzhou/nanospline#de2e4d4daceb5e5058ea3092ddf1c6e5ba447c38")

cmake/recipes/polyfem_data.cmake

@@ -28,7 +28,7 @@ else()
         PREFIX ${FETCHCONTENT_BASE_DIR}/polyfem-test-data
         SOURCE_DIR ${POLYFEM_DATA_DIR}
         GIT_REPOSITORY https://github.com/polyfem/polyfem-data
-        GIT_TAG fbfcf330e3a5725414917c9fa33e5a2476a754a7
+        GIT_TAG 0a722d760163b1dc9178b306e631102bbc9ad845
         CONFIGURE_COMMAND ""
         BUILD_COMMAND ""
         INSTALL_COMMAND ""

json-specs/input-spec.json

@@ -2056,13 +2056,13 @@
         "pointer": "/materials/*/c3",
         "type": "include",
         "spec_file": "value-no.json",
-        "doc": "Third Parameter for 3 parameter Mooney-Rivlin"
+        "doc": "Third Parameter for Mooney-Rivlin"
     },
     {
         "pointer": "/materials/*/d1",
         "type": "include",
         "spec_file": "value-no.json",
-        "doc": "MooneyRivlin third parameterFourth Parameter for 3 parameter Mooney-Rivlin"
+        "doc": "Fourth Parameter for Mooney-Rivlin"
     },
     {
         "pointer": "/materials/*/alphas",
@@ -2271,6 +2271,17 @@
         "type": "string",
         "doc": "Dirichlet boundary condition loaded from a file, <node_id> <bc values>, 1 for scalar, 2/3 for tensor depending on dimension."
     },
+    {
+        "pointer": "/boundary_conditions/dirichlet_boundary/*/value/*",
+        "type": "list",
+        "doc": "Dirichlet boundary condition specified per timestep."
+    },
+    {
+        "pointer": "/boundary_conditions/dirichlet_boundary/*/value/*/*",
+        "type": "include",
+        "spec_file": "value0.json",
+        "doc": "Dirichlet boundary condition specified per timestep."
+    },
     {
         "pointer": "/boundary_conditions/dirichlet_boundary/*/dimension",
         "type": "list",
@@ -2370,7 +2381,7 @@
             "value"
         ],
         "optional": [
-            "interpolation"
+            "time_reference"
         ],
         "doc": "pressure BC entry"
     },
@@ -2388,10 +2399,26 @@
         "doc": "Values of pressure boundary condition as a function of $x,y,z,t$"
     },
     {
-        "pointer": "/boundary_conditions/pressure_boundary/*/interpolation",
+        "pointer": "/boundary_conditions/pressure_boundary/*/value",
+        "type": "list",
+        "doc": "Values of pressure boundary condition specified per timestep"
+    },
+    {
+        "pointer": "/boundary_conditions/pressure_boundary/*/value/*",
         "type": "include",
-        "spec_file": "interpolation.json",
-        "doc": "interpolation of boundary condition"
+        "spec_file": "value0.json",
+        "doc": "Values of pressure boundary condition specified per timestep"
+    },
+    {
+        "pointer": "/boundary_conditions/pressure_boundary/*/time_reference",
+        "default": [],
+        "type": "list",
+        "doc": "List of times when the pressure boundary condition is specified"
+    },
+    {
+        "pointer": "/boundary_conditions/pressure_boundary/*/time_reference/*",
+        "type": "float",
+        "doc": "Values of pressure boundary condition for timestep"
     },
     {
         "pointer": "/boundary_conditions/pressure_cavity",

json-specs/objective-spec.json

@@ -8,8 +8,11 @@
             "divide",
             "plus-const",
             "target",
+            "sdf-target",
+            "mesh-target",
             "center-target",
             "function-target",
+            "displacement-target",
             "node-target",
             "position",
             "acceleration",
@@ -19,6 +22,8 @@
             "stress",
             "stress_norm",
             "elastic_energy",
+            "quadratic_contact_force_norm",
+            "log_contact_force_norm",
             "max_stress",
             "compliance",
             "weighted_solution",
@@ -31,6 +36,7 @@
             "volume",
             "soft_constraint",
             "layer_thickness",
+            "layer_thickness_log",
             "AMIPS",
             "parametrized_product"
         ],
@@ -98,6 +104,44 @@
         ],
         "doc": "TODO"
     },
+    {
+        "pointer": "/",
+        "type": "object",
+        "type_name": "sdf-target",
+        "required": [
+            "state",
+            "type",
+            "delta"
+        ],
+        "optional": [
+            "control_points",
+            "control_points_grid",
+            "knots",
+            "knots_u",
+            "knots_v",
+            "weight",
+            "print_energy",
+            "surface_selection"
+        ],
+        "doc": "TODO"
+    },
+    {
+        "pointer": "/",
+        "type": "object",
+        "type_name": "mesh-target",
+        "required": [
+            "state",
+            "type",
+            "delta",
+            "mesh_path"
+        ],
+        "optional": [
+            "weight",
+            "print_energy",
+            "surface_selection"
+        ],
+        "doc": "TODO"
+    },
     {
         "pointer": "/",
         "type": "object",
@@ -148,6 +192,23 @@
         ],
         "doc": "TODO"
     },
+    {
+        "pointer": "/",
+        "type": "object",
+        "type_name": "displacement-target",
+        "required": [
+            "state",
+            "type"
+        ],
+        "optional": [
+            "weight",
+            "print_energy",
+            "target_displacement",
+            "active_dimension",
+            "surface_selection"
+        ],
+        "doc": "TODO"
+    },
     {
         "pointer": "/",
         "type": "object",
@@ -571,6 +632,38 @@
         ],
         "doc": "Lp Norm of elastic stress over the volume selection"
     },
+    {
+        "pointer": "/",
+        "type": "object",
+        "type_name": "quadratic_contact_force_norm",
+        "required": [
+            "state",
+            "type"
+        ],
+        "optional": [
+            "surface_selection",
+            "dhat",
+            "weight",
+            "print_energy"
+        ],
+        "doc": "Lp Norm of elastic stress over the volume selection"
+    },
+    {
+        "pointer": "/",
+        "type": "object",
+        "type_name": "log_contact_force_norm",
+        "required": [
+            "state",
+            "type"
+        ],
+        "optional": [
+            "surface_selection",
+            "dhat",
+            "weight",
+            "print_energy"
+        ],
+        "doc": "Lp Norm of elastic stress over the volume selection"
+    },
     {
         "pointer": "/force_matching_function",
         "type": "list"
@@ -730,9 +823,29 @@
         "pointer": "/",
         "type": "object",
         "type_name": "layer_thickness",
+        "required": [
+            "type",
+            "state"
+        ],
         "optional": [
-            "adjacent_boundary_id",
-            "dmin",
+            "boundary_ids",
+            "dhat",
+            "weight",
+            "print_energy"
+        ],
+        "doc": "TODO"
+    },
+    {
+        "pointer": "/",
+        "type": "object",
+        "type_name": "layer_thickness_log",
+        "required": [
+            "type",
+            "state",
+            "dmin"
+        ],
+        "optional": [
+            "boundary_ids",
             "dhat",
             "weight",
             "print_energy"
@@ -746,15 +859,19 @@
         "doc": "The support size of barrier function"
     },
     {
-        "pointer": "/adjacent_boundary_id",
-        "type": "int",
-        "default": -1,
+        "pointer": "/dmin",
+        "type": "float",
+        "doc": "The min distance of barrier function"
+    },
+    {
+        "pointer": "/boundary_ids",
+        "type": "list",
+        "default": [],
         "doc": "TODO"
     },
     {
-        "pointer": "/dmin",
-        "type": "float",
-        "default": 0.0,
+        "pointer": "/boundary_ids/*",
+        "type": "int",
         "doc": "TODO"
     },
     {