ID: com.atoa.apps.app02_momentofinnertia_pro
Version: 1.1.8
Size: 1.1 Mb
Area Moment of Inertia PRO Screen Preview
How to setup Area Moment of Inertia PRO apk for android
- For Android 4.0 or higher:Please to Settings, look down to Security, and select Unknown sources. Choosing this choice will enable to install apps download from the internet.
- For devices running on lower Android 4.0:
Please go to Settings - open the Applications option, and select Unknown sources, click OK on the popup alert.
Area Moment of Inertia PRO Description
This tool helps to draw and calculate moment of Inertia for any open, closed, cut, holed cross section. Area, principal or 2nd moment of inertia (MI) is the sectional properties of 2D shapes. These are useful for structural mechanics and dynamics performance prediction. Cross Sectional properties are important for tension and compression performance calculations. Moment of inertia is critical for bending stiffness and strength calculations.MI properties for a standard shapes can be obtained from a list of table or standard formula. But for irregular shapes and nonstandard sizes, the sectional properties are not readily available. This tool allows you to draw any shape and then calculate geometric and inertial properties for any arbitrary shape. Geometric and MI properties of any regular/ standard shape can also be predicted.
Draw non intersecting outer by tapping the vertex of your 2D shapes. Draw your geometry using both free hand and straight lines.You can also create a hole or cut by tapping the vertex of your cut or hole. Then click “area MI” to calculate the Sectional properties. The default drawing window size is 2 mm and snap size is 0.02 mm. You can change by tapping the settings. You can also edit the X,Y coordinates of the vertex for more accurate numeric input. Select your convenient Units. Set the window size to the maximum size of your 2D shape. This size can be set to any size from nano to giga meter.
Area MI Pro tool supports any shape bounded by non-intersecting outer straight line segments. Draw by tapping the vertex in clock wise or counter clock wise pattern. Avoid crossing of the boundary. The end point can be closed by tapping close end. Clear, Undo, Edit and CloseLoop buttons are useful to start with any shape, edit the vertex to change shapes, add lines, or move lines and or close the boundary.
The second moment of inertia is a measure of the 'efficiency' of any shape to resist bending or flexural loading. Ix and Iy about the centroid are used for flexural or bending resistance prediction. A larger value of the Moment of Inertia indicates that the shapes will show higher the resistance to bend. The polar moment of inertia, Ixy or Jz about centroid, which is related to the sum of Ix and Iy is used for predicting the torsional resistance of shapes. The centroid location of the area is also important to locate the neutral axis and to calculate other structural properties such as section modulus.
The geometry of any arbitrary shape can be defined using non intersecting external boundary lines. The area bounded by these lines is calculated using area integration method. The external boundary is represented by linear piece-wise straight lines. A general formula for the moments of arbitrary shape bounded by straight lines is derived leveraging Green’s theorem for transforming domain to boundary integrals. This formula is implemented as an algorithm for computing inertial properties.
The tool prediction results for standard shapes are compared with Formulas from text book, Numerical Integration solution using Industrial FEA solvers. For straight lined boundary based geometry the prediction accuracy is very high. For curved boundary the accuracy can be improved by increasing the number of vertex. But for arbitrary shapes such as corroded or damaged members, custom built sections, 3D printed shapes, complex designs, Area MI lite is the only tool which will help to predict sectional properties, cross sectional area & principal Moment of inertia, Ixx, Iyy and Ixy.
The pro version will enable you do draw any shape with virtually unlimited vertices and functionalities. The Pro version is fully functional with A, Ixx, Iyy, Ixy Properties, XY coordinates, Holes, composite sections, save, data import/export, suggestions and share functionalities.
For additional support or help
Visit: http://apps.atoa.com/index.php/atoa-apps/area-moment-of-inertia-Pro
mail: AreaMIPro@apps.atoa.com
What's new in Area Moment of Inertia PRO 1.1.8
Draw free flow geometry.Touch/tap screen for exact geometry.
Tap to draw vertex of straight lined polygons
and touch draw for curves
Download Area Moment of Inertia PRO 1.1.8 mod APK
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