fix: tighten thermal input diagnostics

src/fesa/io/abaqus/domain_mapping_context.cpp

@@ -1639,6 +1639,11 @@ class DomainMappingContext::Impl {
   }
 
   void ParseElastic(const KeywordBlock& block) {
+    if (model_element_family_ == ElementFamily::kThermalShell) {
+      InputFailure("unsupported-keyword", block.location, block.canonical_name,
+                   "", "ELASTIC is outside the thermal material subset.");
+      return;
+    }
     if (!material_eligible_) {
       InputFailure("invalid-keyword-location", block.location,
                    block.canonical_name, "",
@@ -2564,6 +2569,13 @@ class DomainMappingContext::Impl {
                    "HEAT TRANSFER accepts only END=PERIOD.");
       return;
     }
+    if (block.data[0].fields.size() > 5U) {
+      InputFailure(
+          "invalid-thermal-time-grid", block.data[0].location,
+          block.canonical_name, "",
+          "HEAT TRANSFER permits at most three trailing empty fields.");
+      return;
+    }
     const auto fields = WithoutTrailingEmpty(block.data[0].fields);
     if (fields.size() != 2U) {
       InputFailure("invalid-thermal-time-grid", block.data[0].location,
@@ -2631,8 +2643,9 @@ class DomainMappingContext::Impl {
                    "PERTURBATION is supported only with FREQUENCY.");
       return;
     }
-    if (step_.has_static || !ValidateParameters(block, {}) ||
+    if (step_.has_heat_transfer || step_.has_static ||
-        block.data.size() != 1U || block.data[0].fields.size() != 4U) {
+        !ValidateParameters(block, {}) || block.data.size() != 1U ||
+        block.data[0].fields.size() != 4U) {
       if (!failure_) {
         InputFailure(step_.nlgeom ? "invalid-nonlinear-static-data"
                                   : "invalid-static-data",
@@ -2740,6 +2753,12 @@ class DomainMappingContext::Impl {
   }
 
   void ParseOutputChild(const KeywordBlock& block) {
+    if (step_.has_heat_transfer) {
+      InputFailure("unsupported-keyword", block.location, block.canonical_name,
+                   "",
+                   "Thermal output children are outside the approved subset.");
+      return;
+    }
     if (!active_output_) {
       InputFailure(
           "invalid-keyword-location", block.location, block.canonical_name, "",
@@ -2918,10 +2937,14 @@ class DomainMappingContext::Impl {
     if (model_element_family_ == ElementFamily::kThermalShell) {
       for (const auto& block : input_.blocks) {
         if (block.canonical_name != "PREPRINT") continue;
-        if (!ValidateParameters(block,
+        if (!ValidateParameters(block, {"ECHO", "MODEL", "HISTORY", "CONTACT"}))
-                                {"ECHO", "MODEL", "HISTORY", "CONTACT"}) ||
-            block.parameters.size() != 4U)
           return;
+        if (block.parameters.size() != 4U) {
+          InputFailure("unsupported-keyword", block.location,
+                       block.canonical_name, "",
+                       "Thermal PREPRINT requires four NO parameters.");
+          return;
+        }
         for (const auto& parameter : block.parameters) {
           if (!parameter.value ||
               !AsciiCaseInsensitiveEquals(*parameter.value, "NO")) {

tests/unit/io/abaqus/thermal_domain_test.cpp

@@ -147,6 +147,7 @@ TEST(ThermalDomainMapping, RejectsThermalMaterialAndControlForms) {
       {"7850.,\n", "-1.,\n"},
       {"*Conductivity\n", "*Conductivity, dependencies=1\n"},
       {"*Specific Heat\n460.,\n", ""},
+      {"*Specific Heat\n460.,\n", "*Specific Heat\n460.,\n*Elastic\n1., .3\n"},
       {"*Heat Transfer\n1., 100.\n",
        "*Heat Transfer, steady state\n1., 100.\n"},
       {"*Heat Transfer\n1., 100.\n", "*Heat Transfer\n0., 100.\n"},
@@ -163,6 +164,22 @@ TEST(ThermalDomainMapping, RejectsThermalMaterialAndControlForms) {
   }
 }
 
+TEST(ThermalDomainMapping, RejectsThermalNoOpAndProcedureViolations) {
+  const std::vector<std::pair<std::string, std::string>> cases{
+      {"*Part, name=P",
+       "*Preprint, echo=NO, model=NO, history=NO\n*Part, name=P"},
+      {"1., 100.\n", "1., 100., , , ,\n"},
+      {"*Cflux", "*Static\n.1, 1., .1, 1.\n*Cflux"},
+      {"*End Step", "*Output, field\n*Node Output\nNT\n*End Step"}};
+  for (const auto& test_case : cases) {
+    auto deck = ThermalDeck();
+    const auto position = deck.find(test_case.first);
+    ASSERT_NE(position, std::string::npos);
+    deck.replace(position, test_case.first.size(), test_case.second);
+    EXPECT_FALSE(MapText(deck).HasValue());
+  }
+}
+
 TEST(ThermalDomainMapping, AppliesSameDofStepOverrideAndDefaultValues) {
   auto deck = ThermalDeck();
   const auto first = deck.find("Bottom, 15, 15, 30.");