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Menu System
Menu System is structured in such
a way that maximizes the efficiency of analysis/design tasks,
which minimizes the motion of the mouse. All the functions required
for input/output, analysis and design processes can be easily
accessed.
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MIDAS/Gen Menu System
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Tree Menu
under the Menu tab outlines the entire procedure for modeling
from data entry to analysis, design and preparation of calculations,
which are systemically organized. An expert as well as a novice
can efficiently work without making errors by accessing the
related dialog boxes, which provide the procedural guidance.The
Tree Menu under the Works tab systemizes
the entire process of modeling, analysis and design. You may
view the status of data entries at a glance and selectively
revise the data by the Drag & Drop
type of modeling tool.
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Change of sectional properties of selected
members by Drag & Drop in Works Tree
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Icon Menu
is provided to access frequently used functions, which can be
selectively organized to construct Toolbars at the location
desired by the user. Context Menu
appears when the mouse is right-clicked on the modeling window,
which reflects the current work environment. Mouse motion becomes
minimized in the process, which increases the efficiency of
operation.
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The Model Window
may present several windows simultaneously on the screen. Because
every window operates independently, different user coordinate
systems can be assigned to the individual windows to create
a model. In addition, each window shares the same database and
as such, the work performed in a window updates the other windows
simultaneously.
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Multi-window function: Iso View, Wire Frame Model View and
element entry table of a Bin Structure concurrently displayed
and worked on.
Frame Hidden, Plate Hidden and Blending view of a model
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The Model Window can represent common
model shapes as well as shapes generated by up-to-date features
such as hidden lines, removal of hidden surfaces, shading, lighting,
dispersion of color tone, etc. The model, analysis and design
results may be displayed in rendering
views. The input status of the model or each type of
analysis and design results can be visually verified by "walking
through or flying over" the interiors of structures using
the Walk Through Effect. |
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Status Bar located at the bottom
of the screen identifies the current unit system in use and
basic information on the snapped node or element. It provides
control functions such as Fast Query,
Element Snap and Select Filter.
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Status bar (Fast query, Element snap,
Select filter)
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MIDAS/Gen provides the basic Input
System through Dialog Boxes in addition to the Table and Text
types of data entries.
Structure & Result Tables produced
in the form of Spread Sheets are compatible
with MS-EXCEL in which vast amount
of data can be readily entered or modified.
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Data exchange between MIDAS/Gen and Microsoft
EXCEL
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Text type input using commands is
carried out through MGT Command Shell.
Entire model data can be entered or produced in the text format
of fn.MGT file.
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Data input as per syntax order after selecting
desired commands in MGT Command Shell
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Data Entry Options
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For
convenience, Gen provides the following data
entry options:
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Where several numerical data are entered consecutively
in a data field, these data can be distinguished by a
"," (Comma) or a " " (Blank)
<Example>
333, 102, 11 or 333 102 11
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Position data, element sections and properties and
other relevant data can be entered by simple assignments
in the Model Window.
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Length or directional increments can be specified using
the mouse by choosing the relevant origin and ending points
in the Model Window rather than typing these data directly
on the keyboard.
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Where the same length is repeated, the entry can be
simplified by "number of repetition @ length"
instead of repeating the same number.
<Example>
20, 25, 22.3, 22.3, 22.3, 22.3, 22.3, 88 
20, 25, 5@22.3, 88
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The keyboard may be used to enter selected data directly.
The related node numbering or element numbering may be
an arithmetic progression in series or the progression
may be incremental. Then, the data entry can be simplified
by "start number to (t) final number" or "start
number to (t) final number by increment".
< Example> 21,
22, . . .54, 55, 56 = 21 to 56
< Example> 35, 40, 45, 50, 55, 60
"35 to 60 by 5", "35 t 60 by 5"
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Numbers and mathematical expressions can be used in
combination. The majority of the operators and parentheses
applied in engineering computation can be used.
<Example>
x 202
PHI * 20^2
<Example>
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Expressions may include a location function. This is
very convenient for a variable loading (hydrostatic pressure,
etc.) changing with locations.
< Example>
30 + 9.80 x (Z-50)
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Unit System and Conversion
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In practice, there are diverse working
conditions and forms of data entry. MIDAS/Gen is designed to
operate concurrently under a specific system of units or a combination
of several types of unit systems. For instance, "m"
unit for the geometry data and "mm" unit for section
data may be used in the same model. The "SI" unit
system used in the data entry process can be converted into
the "Imperial" unit system for the analysis and design
results.
The thermal unit system requires a consistent unit system
for the data. The units for moment, stress or modulus of elasticity,
which combine length units and force units are automatically
adjusted by the program according to the types of length and
force units selected by the user.
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Dialog box of Unit System Setting
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Model Merge Function
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In order to expedite the modeling
task of a complex structure where the geometric configuration
is irregular, complicated and large, you can divide the structure
into several sub-models and prepare the geometric shape of each
sub-model separately. Then, you can combine them into a single
model and perform the structural analysis.
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Model Merge Function: 3 Vessels supported
by a platform are individually modeled and subsequently merged
to form a total structure.
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Auto Mesh Generation Module via FEmodeler
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Plate and solid mesh models can be
generated by the preprocessor, FEmodeler and MIDAS/Gen uses
the model data to carry out structural analysis.
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Using the base feature templates, various configurations may
be created
by simply specifying the basic dimensions.
Meshing of an emergency access lining generated for analysis
by MIDAS/Gen
2-Span arch frame model for detail analysis
Detail analysis model of an arch cable anchor
Node Can part of an off-shore structure (Jacket)
Top Shell finite element mesh model of a Blast Furnace
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Menu/Input System
