fix: tighten thermal input diagnostics

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.");