first version of modal analysis for natural frequencies

2026-10-03 22:57:57 +00:00 · 2016-06-17 02:10:17 +03:00
parent 74ed32a96c
commit 84bb370cea
14 changed files with 362 additions and 131 deletions
@@ -62,8 +62,8 @@ function assemble!(assembly::Assembly, problem::Problem{Dirichlet}, element::Ele
            ldofs = gdofs[i:field_dim:end]
            if haskey(element, field_name*" $i")
                g = element(field_name*" $i", ip, time)
-                if true
-                    haskey(element, "displacement") || continue
+                # u = u_prev + Δu ⇒ Δu = u - u_prev
+                if haskey(element, field_name)
                    g_prev = element(field_name, ip, time)
                    g -= g_prev[i]
                end