<
From version < 163.1 >
edited by Fredrik Lagerström
on 2020/03/27 11:44
To version < 164.1 >
edited by Fredrik Lagerström
on 2020/03/27 11:44
>
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528 528  
529 529  Figure: Combination of load cases for maximum of load groups results
530 530  
531 -=== Deflection check for RC, steel and timber bars ===
531 += Deflection check for RC, steel and timber bars =
532 532  
533 533  A new checking criteria is available for reinforced concrete, steel and timber bars. Deflection utilization is calculated for //load combinations//, //Maximum of load combinations// and //Maximum of load groups// according to the user defined serviceability limit states.
534 534  
... ... @@ -596,7 +596,7 @@
596 596  
597 597  [[image:file:///C:/Users/Fredrik/AppData/Local/Temp/msohtmlclip1/01/clip_image026.png]]
598 598  
599 -=== Imperfections ===
599 += Imperfections =
600 600  
601 601  Imperfection calculation is run only for steel bar elements of the structure. Users can add imperfections to a structure in two ways:
602 602  
... ... @@ -632,7 +632,7 @@
632 632  
633 633  **[[image:file:///C:/Users/Fredrik/AppData/Local/Temp/msohtmlclip1/01/clip_image015.wmz||alt="MCj02990090000%5b1%5d"]] **Before imperfection calculation, it is recommended to set minimum 4-5 **//division numbers//** (finite elements) for bars.
634 634  
635 -=== Stability Analysis ===
635 += Stability Analysis =
636 636  
637 637  In 3D modules, global stability of the structure can be analyzed automatically if it is requested. Similarly to (% class="wikiinternallink" %)**Imperfections**(%%), the program calculates buckling shapes together with their critical parameters for selected load combinations.
638 638  
... ... @@ -694,9 +694,9 @@
694 694  
695 695  **[[image:file:///C:/Users/Fredrik/AppData/Local/Temp/msohtmlclip1/01/clip_image011.wmz||alt="MCj02990090000%5b1%5d"]] **Before stability analysis, it is recommended to set minimum 4-5 (% class="wikiinternallink" %)**division numbers**(%%) (finite elements) for bars.
696 696  
697 -=== Eigenfrequencies ===
697 += Eigenfrequencies =
698 698  
699 -==== Mass/Vibration shape ====
699 +== Mass/Vibration shape ==
700 700  
701 701  FEM-Design can do dynamic analysis by calculating vibration shapes of the structural model and the belonging eigenfrequencies and free vibration time values (periodic time).
702 702  
... ... @@ -712,7 +712,7 @@
712 712  
713 713  **[[image:file:///C:/Users/Fredrik/AppData/Local/Temp/msohtmlclip1/01/clip_image010.wmz||alt="MCj04113200000%5b1%5d"]] **Dynamic calculation requires (% class="wikiinternallink" %)**masses**(%%) to be predefined.
714 714  
715 -[[(% class="wikiinternallink wikiinternallink wikiinternallink wikiinternallink" %)**Seismic analysis**>>path:#_Seismic_Analysis]](%%) needs the eigenfrequencies calculations.
715 +[[(% class="wikiinternallink wikiinternallink wikiinternallink wikiinternallink wikiinternallink" %)**Seismic analysis**>>path:#_Seismic_Analysis]](%%) needs the eigenfrequencies calculations.
716 716  
717 717  In Calculation / Eigenfrequencies dialog the user can set the level of top of the substructure. The masses will be neglected __at__ and __under__ this level.
718 718  
... ... @@ -736,7 +736,7 @@
736 736  
737 737  **[[image:file:///C:/Users/Fredrik/AppData/Local/Temp/msohtmlclip1/01/clip_image011.wmz||alt="MCj02990090000%5b1%5d"]] **Before dynamic analysis, it is recommended to set minimum 4-5 (% class="wikiinternallink" %)**division numbers**(%%) (finite elements) for bars.
738 738  
739 -==== Shear center result ====
739 +== Shear center result ==
740 740  
741 741  FEM-Design can calculate //Shear centers// for each storey of a building. The figures below show a shear center result of an Eigenfrequency calculation.
742 742  
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760 760  
761 761  [[image:file:///C:/Users/Fredrik/AppData/Local/Temp/msohtmlclip1/01/clip_image026.png]]
762 762  
763 -
764 764  = Seismic Analysis =
765 765  
766 766  == Methods ==
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