[m.0] Check averaging materials big/dense particles (#1033) (Closes #1033)

Merging branch 'm.0'  into 'main'.

See merge request !2883

Sample/Material/MaterialUtil.cpp

@@ -135,7 +135,9 @@ Material MaterialUtil::averagedMaterial(const Material& base_mat, const Admixtur
 {
     double totalAdmixedFraction = 0;
     for (const OneAdmixture& admix : admixtures) {
-        ASSERT(admix.fraction >= 0 && admix.fraction <= 1);
+        ASSERT(admix.fraction >= 0);
+        if (admix.fraction > 1)
+            throw std::runtime_error("Volume fraction of one admixture component is more than 1");
         totalAdmixedFraction += admix.fraction;
     }
     if (totalAdmixedFraction > 1)