Area Moment of Inertia Lite Apk
Latest version 1.1.9
05 Jun 2015
Apk Infos
| Version | 1.1.9 |
| Rating | 2.4/5, based on 34 votes |
| Size | 1.5 MB |
| Requires Android | Android 3.0+ (Honeycomb) |
| Author's Notes | Draw any arbitrary shape and then calculate Area or 2nd Moment of Inertia |
About Area Moment of Inertia Lite APK
Table Of Contents
Description
This tool helps to 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 inertial 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 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 meter (10-9) to giga meter (10+9). Area MI lite tool supports any shape bounded outer by straight lines. 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 exact. 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, Ix, Iy and Ixy.
The number of vertices is limited to 14 and functionalities (open, save, import, export, share) are limited to 5 in this free version. The pro version will enable you do draw any shape with virtually unlimited vertices and functionalities. The Pro version is fully functional with A, Ix, Iy, Ixy Properties, XY coordinates, Holes, composite sections, open, save, data import/export, suggestions and share functionalities.
For more visit apps.atoa.com.
Latest updates
What's new in version 1.1.9
Draw free flow geometry (Lite version vertex limit 50) .Touch/tap screen for exact geometry with limited vertex in LITE.
Tap to draw vertex of polygons for straight lines
and touch and draw fro any curve
How to install Area Moment of Inertia Lite APK on Android phone or tablet?
Download Area Moment of Inertia Lite APK file from ApkClean, then follow these steps:
Update Phone Settings
- Go to your phone Settings page
- Tap Security or Applications (varies with device)
- Check the Unknown Sources box
- Confirm with OK
Go to Downloads
- Open Downloads on your device by going to My Files or Files
- Tap the APK file you downloaded (com.atoa.apps.app02_momentofinnertia-v1.1.9-ApkClean.apk)
- Tap Install when prompted, the APK file you downloaded will be installed on your device.
Older Versions
| 1.1.9 (9) | 1.5 MB |
Questions & Answers
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User's Reivew
3 ★I don't know how to draw exact point for any type of shape this is bigger disadvantage of this app... Plz help me in order to draw exact point for any shape ....
1 ★Scam. Does not work. People giving it any stars above 1 are creator themselves.
1 ★Why you made this piece of s**t
3 ★Editing endpoints is not explained. AutoCAD users will miss the ability to enter point locations by Cartesian or polar notation. Moving, selection, etc. if possible, is not documented. No rectilinear or conic shape palettes to start from. Your section is only as precise as your finger placement, but I is calculated to uselessly high accuracy. The pro version nag pops up after every tap, which is aggravating enough alone for 2 stars.
5 ★Free for drawing basic arbitrary shape and to predict properties. Liked the intuitive UI and share functions
5 ★Good and effective tool
1 ★Hard to get the exact shape and dimensions you want. Force closes a lot. Undo function doesn't work. Won't run on android 5.0. Nuff said
2 ★This app hijacks the back button to show advertising. Free version very limiting.
5 ★Great app
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