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Oh, I got the point. Well, I am not sure that stress based design is common approach. I think that one possible way is to divide the wall section to small subareas. After that based on your stress diagram you may calculate (integrate) the resultant force for each subarea and put a proper...

Look for "Section cuts" in the analysis reference and in the help file. There are also some example problems (named A-Z) where you can see how to use the section cuts.

Does the log file give some info and/or error messages? Can you post here the .LOG file? Did you activate all the DOF's? Or probably the construction is not geometrically stable?

You can read about the difference in the "SAP2000 analysis reference", chapter "Geometric nonlinearity" :) Also as I remember there is some info about that in the Help :)

Thy with section cut.

Hi! SAP2000 will assume the self weight of the element too (converted to mass). So you must check out the "Mass per unit volume" and "Weight per unit volume" in the material properties dialog box. About the 3-directional mass movement... take a look at the image that I attach. I think that you...

Squared frame - 2-way load distribution. You know, creating a model is concerning the real conditions :)

Usually the load "runs out" along the short side of the plate.

There is "Area to frame" load with option to select 2-way or 4-way load distribution.

Menu "Viev" --> "Set display options..." --> section "General" --> check the "Extrude viev" checkbox :)

Try the "Draw section" command.

Make room on your hard disk.

aat@gbg.bg

Select the girder, then go to Assign --> Frame --> Insertion point, there you can choose for example the option 8 - "top center". About the common joints. You can divide both the girder and the slab in several parts along the span. For example: select girder --> Edit --> Divide frame --> choose...

The floor and the girder must have common joints in the span.

When you define the load cases, you must set the self-weight muliplyer to 0. Or when you define the material, you can set the weight (not the mass!) to 0.

* * * Cylindrical coordinate directions are indicated using the values CR, CA, andCZ. Spherical coordinate directions are indicated using the values SB, SA, and SR. The sign is required. See Figure 2 (page 19). The cylindrical and spherical coordinate directions are not constant but vary with...

Or he can try with changing the decimal separator too. As I remember, the right symbol is point, comma doesn't work.

Screening is kinda making lines lighter - it uses less ink :) Me personally don't use this option - I prefer plotting with little value of lineweight. Something like 0.05 for example :)

Hmmm... you must find the analysis reference manual (Saprefer.pdf). There you can read: * * * The Shell element is used to model shell, membrane, and plate behavior in planar and three-dimensional structures. The shell element/object is one type of area object. Depending on the type of section...