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Is vc still a thing final. Updated: Friday, June 21, cylindrical coordinate system ecs element coordinate system.
Wednesday, January 27, train dynamic load table. Updated: Thursday, January 21, crack ratio. Updated: Monday, May 18, prestress.
Updated: Friday, December 6, contact impact. Updated: Friday, October 4, fatigue fatiguesolver. The data entry for design parameters is possible in both pre-processing and postprocessing modes. Modification factors must be incorporated in the design load combinations for seismic loads. Verify the pre-defined design load combinations for compatibility with the member design.
The design load combinations are applied according to the design types noted below and classified by tabs in the dialog box. Mode switching When the preparation for design or strength verification is completed, confirm the current mode. If the current environment is in the preprocessing mode, switch to the post-processing mode. Member design or strength verification Design or verify strength for members by selecting the design features in the sub-menus of Design for each type of structural material or member.
Check member design or strength verification results The design results will appear on the screen after member design or strength verification. Strength Verification for Steel Members The procedure for verifying strength for steel members is as follows. The user may specify all the members or select only a few members in the steel structure model for checking member strength.
Frame system Live load reduction factor Unbraced length or laterally braced length Effective buckling length factor Moment factor Moment magnification factor Member type 2.
Design standard Material properties Bending coefficient Shear coefficient Allowable stress Allowable maximum slenderness ratio Longitudinal stiffeners of box section 3. The design results will appear on the screen after completing the strength verification. Using the button in the results dialog box that contains the output results, the strength may be verified by specifying new section data for each section type.
The modified section data may be reflected on the analysis model by clicking. Then, the analysis and design results are automatically removed. As the modified section data change the structures stiffness, the analysis and strength verification have to be performed once again to obtain appropriate design results corresponding to the modified model data. In the optimal design process, the optimal section is determined by considering all the design parameters used for the strength verification process such as the design load combinations, section shape, unbraced length, lateral braced length, effective buckling length factor, bending coefficient, moment coefficient, yield strength of material, etc.
A significant number of iterations may ensue during the optimal design process depending on the design conditions. The user is urged to limit the number of iterations to a reasonable number.
Verify strength for steel members. Enter the number of iterations for optimal design and re-analysis. Examine the results using Graphic Output for evaluating the optimal design. The section design or strength verification may be performed selectively as follows: Section Design calculation of required rebar quantities and automatic rebar placement The section design feature calculates the required optimal rebar quantities and provides rebar placement by applying the factored loads based on the design load combinations of RC members and section dimensions specified or revised by the user.
In other words, the section design feature is applicable where only the section dimensions exist without the reinforcing data. Only then, are the capacity calculated and the result compared to the design force.
The strength capacity is calculated if all the required data for the section composition are provided, or else, the section will be designed. Make-up of a RC section Section shape and dimensions Sizes of rebars Number of rebars Positions of rebars The procedure for section design and strength verification for RC members is as follows: 1.
Design standard Strength reduction factor Material properties Limit for the maximum rebar ratio Sizes of rebars and design method for shear walls Enter or modify beam section data Enter or modify column section data Enter or modify bracing section data Enter or modify shear wall section data Enter or modify shear wall mark. Design beam members Design column members Design bracing members Design shear wall members Strength verification for beam members Strength verification for column members Strength verification for brace members Strength verification for shear wall members.
After completing the design of sections for each member type, check the section design and strength verification results displayed on the screen. Design of Footings As the footings are generally placed at the nodes with restrained degrees of freedom due to the boundary conditions, the user may execute the footing design using the reactions at these nodes. The spread footings and pile caps with square or rectangular shapes in plan may be designed.
The section design or the strength verification for footings may be performed selectively as follows:. The most effective procedure for footing design starts by obtaining a design through the automatic design feature and then continues with revising the design by accommodating user preferences and strength verifications.
It calculates the required rebar quantities using the calculated reactions. The service load combinations for calculating the footing sizes and pile quantities, and the factored load combinations for calculating the footing thicknesses and required rebars, may be applied by in the Footing Design dialog box.
For those unspecified design parameters, the initial default values are used for section design or strength verification. The design procedure for footings is as follows: 1. Enter the required design parameters for footing design and ensure the accuracy of the service load and factored load combinations. Click for automatic design or click strength verification. The design results will appear on the screen when the design strength verification is completed.
To design other footings, repeat the steps 2 to 5. Strength Verification and Optimal Design of SRC Members SRC Steel-Reinforced Concrete section shapes for which the strengths may be verified are as follows: Steel encased in a rectangular concrete section concrete filled or unfilled in the steel section Steel encased in a circular concrete section concrete filled or unfilled in the steel section Rectangular steel section filled with concrete Circular steel section filled with concrete The types of steel sections encased in concrete may be an H I -section, a rectangular section, or a circular section.
Both rolled and built-up sections may be used. Composite sections must be symmetrical about both ECS y and z-axes. The section design procedure for SRC members is as follows: 1. Frame system Live load reduction factor Unbraced length and lateral braced length Effective buckling length factor Moment factor Moment magnification factor Member type 2.
The strength verification results will appear on the screen when the strength verification is completed. The remaining features are similar to that in the optimal design for steel members. Text Output The Text Output provides the structural analysis and design results in a text file format specified by the user. Produce selective output of member forces and stresses pertaining to specific material properties, section properties, element numbers, etc.
Produce the output of maximum and minimum values for each section property. Produce nodal displacements and reaction forces. Produce the output of Envelope and Summary for each element type. Directions and Procedure of Usage The Text Output features operate on a method that accumulates the required information on a step-by-step basis for the final outcome.
The procedure for using the Text Output features is as follows: Example: A load set for the evaluation of reactions, another load set for element output, and so on. Up to 3 load sets at a time may be specified. Assign Load Set. The user selects as many Load Sets as necessary in the load combinations selection dialog box. Define the method of producing output for steps in Step Option where construction stage analysis or geometric nonlinear analysis has been , then the Load Set entry dialog box carried out.
Click shown in the next figure will be displayed. Load Set entry dialog box Enter the Load Set name. Click to modify the contents of a Load Set and click to remove a registered Load Set. Once all the necessary load sets are defined, click the Element Output Selection dialog box.
Select Elements for Output. In the dialog box, assign the elements for output and select the output format. In Output Load Set for Element Output, select the load set for which element output will be produced among the registered load sets. Select the element types for which output will be produced by checking appropriate boxes. At this time, only the elements for which the output can be produced are activated in the dialog box.
By clicking the button to the right of the element type, detail specifications related to the element output may be selected. The left section filters the selected items, and the right section assigns the output format and other items. Only the output for the elements conforming to the selected attributes among the filter items, ID, Section, Material, Story, Named Plane and Group will be finally produced.
Filter : list of elements selected through the filter PreSel : list of elements already selected on the screen prior to starting the Text Output feature The Text Output features operate on all the elements listed in the Filter and PreSel fields. After the selection for Element Output is completed, click the button to switch to the dialog box for output specifications for displacements and reaction forces.
The usage of this dialog box is identical to that of Element Output Selection. Dialog box for items of results output 4. Specify the sequence of output. Finally, specify the sequence of output and the output file name. It is possible to arrange the output sequence by Default or by Type. Select and drag the items individually with the mouse to modify the sequence.
If Insert form feed at each output end is checked, a page form feed character is inserted at the end of each output item. Type the name and path of the output file in the File Name field and click button to create the file. Text Editor is executed the automatically and the file is displayed on the screen. When the model window in preprocessing or post-processing mode is printed, the output is generated in a vector format.
The output results provide uniform quality irrespective of output sizes. If the screen containing a rendering view is printed, the output is printed in an image format. Due to the characteristics of image output, the quality of the print output is determined by the resolution and the number of colors used in the window. The size of the output also affects the quality. The dialog bar at the top of the screen is used to adjust the size and position of the output before printing.
Clicking the buttons of each item with the mouse can set up a rough Layout, while specifying numbers in the Margin fields within the dialog bar can adjust it to a more precise layout. Magnify or reduce the view, which has no effect on the true output.
Select Paper Size. The Color Selection Option is independent of the printer types, and it may be freely set according to the users intent. The Draw tab displays the dialog box that defines the color selection method.
Among the Color Print Options, Color Printing View produces the contents in the window colors, and the colors may be selected in Color tab from the Display Option dialog box. Color Printing Setting is adjusted in Print Color tab from the Display Option dialog box, and the colors in the model window and the output may be set independently. In Windows environment, the Text Editor may be used as a common text editor that provides the basic editing features such as compose, save and print text documents may be used as a substitute for Windows memo pad.
The basic functions of Text Editor are as follows: Create and edit document files Search function, and header and footer inserts Insert page split Print layout setting Preview print output. Text Editor supports a limited number of font types with fixed pitch. Page Split When a new page is desired at a specific line on the page, place the cursor at the Page Split.
If the page split character is desired position and press inserted at the position of the mouse cursor, the page is automatically divided at the position of the page split character for printing. The character does not appear on the printed sheets. Dialog box for header and footer insertion Check Print Header and fill in the entry fields to print the header. Check Print Footer to print the footer with the page number and date.
The Page Number Position option selects the position at which the page number will be printed. The position is either in the middle or on the right at the bottom of the page. The Base Page Number is literally the first page page 1 of the document from which the page numbering starts sequentially.
The Page Number Setting option defines the numbering style. This dialog box defines the size of printed forms, the orientation and the margins. Print Preview When all the print settings are complete, it is advisable to verify the layout of the print settings. Once the print button. It is a vector-based graphic editor program that edits and prints various graphic files. Such editing capabilities provide high quality documents for reports or presentation materials. Usage Refer to the Graphic Editor section of the On-line Manual for further details regarding the image and editing functions of the Graphic Editor.
Open Click to display the dialog box. Select a file name and click the button. Insert Image If the cursor is in a stand-by state for image insertion, move the cursor to the desired position and insert the image by left-clicking the mouse. Adjust Size and Position Adjust the position of the image by holding and dragging the center of the image with the mouse. Adjust the size of the image by dragging a corner.
It is very useful when printing an image with a black background. Select an opened image by clicking the image once and right-click the mouse. Then select Component Properties. The dialog box shown in the figure below is displayed. Check Transparent under Bitmap Properties in General and select the black color, then the background becomes transparent. Image Framework The image framework may be defined by clicking Rectangle.
After selecting each rectangle, right-click the mouse to open the Context Menu. Select Properties in the Context Menu, then the thickness and color of the lines or the color of the face may be adjusted by the Component Properties dialog box. The overlapping order adjustment feature rearranges the overlapping order. Example of a later-drawn rectangle brought backward by the overlapping order adjustment function Input of Text The graphic editor allows the user to add titles or explanatory texts.
Clicking Text brings the cursor into a stand-by state for text input. At this time, move the cursor to the desired position and left-click the mouse. A text input element appears with Text written inside. The desired text may be entered after double-clicking Text. Once the desired text has been typed in, click elsewhere on the window away from the text field to prompt the end of input. Now, right-click the mouse on the Text element, select Properties in the Context Menu, and edit the text properties to the desired format.
The component properties such as the type, size and color of font, the format of the framework, etc. Even the text may be rotated such that the text is read vertically. Insert Explanatory Lines By using the Line and Polyline commands and the text input function, explanatory lines to help clarify the image are inserted. The Selection menu at the bottom of the screen determines the drawing method of the extremity and line shapes of Line or Polyline.
For drawing a new, straight line, the line begins with the selected shape at the Start Point and ends with the selected shape at the End Point. If Orthogonal is checked, the shortest perpendicular lines linking the start and end points are drawn.
By applying such a method, explanatory lines may be inserted in the drawing. First, place the start point in Circle and the end point in Arrow, and input Polyline. If an additional text is inserted to the right, the explanatory line is now completed.
Print Preview and Page Setup Print Preview When the drawing is complete, the layout of the drawing for printing may be verified in advance by Print Preview. The printing is executed identically to the print preview displayed on the screen. Page Setup Adjust the size, direction and margins of the printed forms. Text Editor capability Various data input functions A string of data entries distinguished by , or blank, computation capability using arithmetic operators and scientific functions, etc.
Capabilities supplying various graphic formats. Wall combination number Wall ID auto-generation Selective duplication capabilities of attributes load cases, boundary conditions, etc.
Time dependent material properties input Non-prismatic tapered section assignment Rigid Link feature Master and Slave Nodes Input data for specification of masses Nodal masses, Floor Diaphragm Masses and automatic conversion of loading data into nodal mass data Input data for design Unsupported lengths, effective coefficients for buckling lengths, other data related to optimal design, etc. Auto-generation of building Consideration for varying story heights, material properties and section properties.
Wind loads Equivalent static seismic loads Temperature loads Forced displacement loads at supports Automatic generation of earthquake loads 18 types of built-in seismic accelerations records El Centro, San Fernando, Kobe, etc. Automatic computation of the earthquake response spectrum related to a given seismic acceleration record. Other analysis capabilities Analysis considering construction stages Column Shortenings due to Elastic and Time Dependent properties such as change of modulus of elasticity, creep and shrinkage Analysis considering variations in section properties due to pre and post composite action of a composite structure Analysis for an unknown loading condition using optimization technique Unlimited numbers of nodes and elements Unlimited numbers of static unit load cases and load combinations Combining static and dynamic analyses.
Dynamic simulation of vibration shapes and buckling shapes for each mode Time history analysis results in graphic format Pushover analysis results including Demand and Performance spectrums Production of analysis results of construction stages.
For the design of shear wall members, the bending moments about the weak axis are computed reflecting the slenderness effect and the reinforcing steel is computed accordingly. The end reinforcing bars are computed automatically for shear wall design. Design of spread footings and pile foundations Open a new file. Open a saved file. Save the current working file. Delete the selected nodes or elements possible to use the Delete key. Cancel the latest input items entered during the modeling process and restore the model to the previous state.
Restore the tasks cancelled by the Undo function. Print the currently active window. View the window for printing prior to actual printing. Request for assistance. Apply snap function to the closest point grid.
Apply all the snap functions. Cancel all the snap functions. Apply User Coordinate System. Apply Global Coordinate System. Fit the currently active model to the size of the Model Window. Magnify the rectangular area outlined by the mouse.
Magnify the model window proportionally. Reduce the model window proportionally. Activate the Zoom Fit function automatically to accommodate varying model sizes.
Move the model to the left by a certain distance. Move the model to the right by a certain distance. Move the model upward by a certain distance. Move the model downward by a certain distance.
Redraw is used to remove the Dynamic Label, which displays automatically the Label for the latest input or to remove the residual image on the screen.
Redraw the screen by applying the current View Point and Display Option. Revert to the initial stage of opening file in the case of preprocessing mode.
Revert to the model view stage after deleting the analysis results in the case of post-processing mode. Display the model in a 3-D isometric view. Display the model in the X-Z plane with the view point from the Y-axis direction. Display the model relative to GCS with a specific view point.
Rotate the model to the left. Rotate the model to the right. Rotate the model upward. Rotate the model downward. Restore the View Point immediately prior to the latest change. Select a Group among the groups predefined by the user. The groups may be defined relative to the geometric shapes or structural characteristics. Stage 1 Stage 2 Stage 3 Stage 4 Stage 5 9. Modify the rebar data as and when required.
Check against the various design codes within midas database. Left: Window for modifying rebar data. Left: Tabulated results for reinforced concrete design check of various structural members.
Bottom: Contour plot of stress along the cross-section of a custom section in midas GSD. Bottom right: Screen shot of midas GSD for custom section design. Update with a click to keep the report up-to-date with any changes. Bottom: Tabulated result of reactions at support positions saved as a Dynamic Report Table. Bottom right: Dynamic Report Generator open within Microsoft Word with the dynamic report image and table inserted. Check more on en. You just clipped your first slide!
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Cancel Save. The MIDAS team, develops and distributes engineering software, has released an update to midas Gen , is a general-purpose structural analysis and optimal design system. The intuitive user Interface, contemporary computer graphics and powerful solver are some of the highlights of midas Gen. About midas Gen. Modern structural design codes require that a diverse set of analyses be performed to meet local design standards.
Although many structural software programs have been developed to aid with these various analyses, they are often incapable of handling every analysis type that is required.
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