new in 8 5 - cadzone.commouse navigating - 2d and 3d (new) you can now perform zoom and pan by using...

The CAD Zone – 4790 SW Watson Ave – Beaverton, OR 97005 800-641-9077 or 503-641-0334 web site: www.cadzone.com

New and Improved Features in Version 8.5 Version 8.5 contains many new and improved features that users have been telling us they want! The electronic help has not yet been updated, so we have included information on most of the new features in this addendum. Some of the improvements in Version 8.5 include:

New Crush Calculations – Calculate the energy and the equivalent barrier speed from vehicle crush damage data using the 2pt / 4pt / 6pt crush measurement method.

New Critical Speed Calculator – Determine critical speed of a selected arc or curve. New Incremental Save and Backup - Multiple versions of your diagram can be saved so,

in case of an emergency, you can go back to the best one. New Zoom and Pan with the mouse scroll wheel. New Object Length tool – Calculate and label the true (3D) length of lines, arcs, curves,

circles, and squares. Improved Animation - Synchronize up to four KEPs (Key Event Points); KEP data can

now be edited; add a wait time to any KEPSs. Create Movies – Now you can generate .AVI files from your animations that can be copied

to a DVD and played on a TV. Improved 3D - You can now set the Field of View Angle for more flexible viewing of your

model. Another tool lets you set the elevation value of a group of points all to zero. Improved Vehicle Specifications Database – Customize vehicle data in the database and

save it for future use. Improved Easy Profile – New setting turns OFF elevation adjust, to allow negative

elevations.

Refer to the update notes for a complete list of all the improvements and changes! Coordinate Data Table (Updated) The labels above the columns for East and West will change, depending what you select for the orientation of the North arrow. For example, if you select the North arrow that is pointing to the right, West becomes up and East becomes down. If you select the North arrow that is pointing up, West becomes left and East becomes right.

When you select N = Right - the table shows W = Up, E = Down


When you select N = Up, the table shows W = Left, E = Right

Mouse Navigating - 2D and 3D (New) You can now perform Zoom and Pan by using the mouse scroll wheel. This functionality works in the 2D and 3D drawing windows, as well as the dialog boxes that contain 2D and 3D preview windows such as Coordinate Data Table, EZ Stairs, Body Poser, Critical Speed, Crush, Skid Analysis, Animation, and KEP Manager. With the cursor located in a 2D or 3D drawing window or a dialog box with a display windows (like the Coordinate Data Table, Critical Speed Calculator, or Skid Analysis), roll the mouse wheel forward and backwards to zoom in and out of the drawing. The drawing will automatically pan (center itself) to the location of the cursor. To pan the drawing, hold down the mouse wheel and move the mouse. Note: If you are not able to zoom and pan with your mouse scroll button as described above, you may have mouse software settings that are over-riding the diagram program. Go to the Windows Control Panel and select Mouse to see how your mouse is configured. 3D Tools (Updated)

Field of View Angle Setting In the 3D Viewer, you can now set the "Field of View Angle" to a wider angle so you can see more of the image from the same vantage point. A wider angle allows you to see more of the image, but also results in more distortion of the image. A View Angle of 50 degrees is normal vision. The maximum allowed View Angle is 179 degrees. Changing the field of view can help you see more of the picture in a confined area, but keep in mind that above 50 degrees the picture most likely won’t represent the view as it would have been seen from an individual at the scene.


Zero Out Elevation (New) Use the Zero Out Elevation tool to set the elevation value of any selected objects to zero. This tool can be found at the bottom of the 3D pull-down menu.


Easy Profile (Updated) There is a new setting in the Easy Profile Settings dialog called “No Elevation Adjust.” When this is checked, your profile will display negative elevations. When it is unchecked, the elevations are adjusted so point with the lowest elevation is shown with an elevation of zero.

Coordinate Manual Entry Tool (New) You can enter X, Y, and Z (elevation) coordinates in the Coordinate Manual Entry tool. To speed the process of coordinate entry (including Z elevation), open the Coordinate Manual Entry tool and simply enter the three values separated by a comma, then press the Enter key or Apply button. If you don't enter a Z value the program will assume Z = 0.


Layer Clean-Up Tool (Updated)

A new feature “Remove Layer Names with No Data” and a right-click menu have been added to the Layer Clean-Up tools. This tool new tool will remove all layer names on

layers that do not contain data. This is especially helpful when importing AutoCAD architectural drawings that can contain a hundred named layers that do not have any data. Object Length (New) The Object Length tool labels the selected object with its overall length (actual 3D length). It works on curves, lines, arcs, circles, squares. Object Length is located on the Quick Pick and Text/Dim menus. The actual 3D length of an object can be different from the 2D or top down length of the object. A line that’s linear dimensioned to be 100’ in 2D could in fact be a sloped line in 3D. So, a line with a horizontal component of 100’ and a vertical component of 100’ would have an actual length of 141.42’. Here is how you use this new tool:

1. Select the Object Length tool and click on the object to measure.

2. An arrow (leader) will attach to the object. Drag the arrow to position the text and click.

3. Click to the left or right side of the arrow line to finalize text placement.

Vehicle Database (Updated) You can now enter custom data into the Vehicle Database. Click on any existing vehicle in the database and then click on the "Customize" button at the top of the dialog next to the vehicle "Make" pull-down list. A data entry dialog box appears where you can change data or


enter new vehicle data. Select Save and then Close to stop entering custom data. To see the vehicle data that has been customized, select <CUSTOM> from the "Make" pull-down list.

Symbol Create Wizard (Updated) The Symbol Create toolbox has been improved with the addition of a “NEXT” button. This eliminates confusion on how to advance to the next step of the wizard.

Automatic Backup and Incremental Save Select the Utilities pull-down menu and select Settings to select this option. When Auto Bak (backup) is checked, the program will automatically save a backup copy of your diagram file. As a further way to protect you data, you can now check the Incremental Save option and enter a value for "Max Count." This causes the program to save that number of backup files (.bak copies) of your diagram, each with a unique file name. Previously the program only saved one .bak file during Auto Backup. Selecting the Incremental Save option also causes a separate copy of your diagram to be created every time you use the Save or Save As feature. The number of incrementally saved files is determined by the "Max Count" setting. These files are stored in the ...\Diagrams\ _INCREMENTAL_SAVE\ folder, each with a unique name.


Easy Animation There have been several improvements to Easy Animation, including:

Synchronize up to four KEPs (Key Event Points) KEP data can now be edited Add a wait time to any KEPSs

Synchronizing KEPs Two to four symbols can be synchronized to pass through separate KEPs at the same time. Previously, you could only synchronize two KEPs. When the KEPs have been synchronized they will turn blue. To finish synchronizing KEPs, simply press the Enter key on the keyboard after the second or third KEP has been selected. If you select four KEPs the Synch KEPs tool will finish automatically.

Modifying KEP Data You can now edit the speed, yaw, pitch, and roll data for any KEP in the KEP Manager. You can also change KEPs to make them no long synchronized with other KEPs. To change KEP data, simply open the KEP Manager and click in the field with the data you wish to change. Edit the value and press the Enter key on your keyboard or click in a different field in the KEP Manager. A KEP that has been synchronized will have an “X” by it under the Sync column of the KEP Manager. You can change a KEP to make it NOT synchronized by clicking on the existing “X” to remove it or clicking on another KEP to move the synch point.

Wait KEP You can now add a wait time to any KEP (Key Event Point) on an animation path. When you create the KEP, check the "Wait KEP" box in the lower-right corner and then set the wait time in seconds. When the Wait KEP box is checked, the “Velocity” label at the top of the KEP dialog will change to a "Wait Time" label.


Crush The Crush dialog calculates the energy and the equivalent barrier speed from vehicle crush damage data using the 2pt / 4pt / 6pt crush calculation method. The dialog also creates a graphical crush model from the data entered.

2pt / 4pt / 6pt Method These calculations are based on one of three formulas for 2 points, 4 points, or 6 points of crush data. Basic Layout

1. Data Input area - Vehicle Description, Crush measurements (pick radial button to calculate 2, 4, or 6 crush measurements), Coefficient of Stiffness values (A and B), PDOF (Principle Direction of Force), Damage Offset, Field and Crash Length.

2. Results area - Calculate Energy (E), Equivalent Barrier Speed (EBS), and Average C (crush damage).

3. Locate side of Crush, Damage Offset (shift), Reverse or flip “C” values, and Crush Display Settings.

4. Vehicle outline and crush damage display.

5. Display Calculations (with drawing), Open and Save (Export) crush data, Place on screen, Reset all data, and Close.


Crush Dialog Data Fields C1-C6 = user entered crush depths A = stiffness coefficient (derived from published data or user calculations) B = stiffness coefficient (derived from published data or user calculations) G = automatically calculated from stiffness coefficients Wt = vehicle weight used in the EBS calculation L & W = length and width of the vehicle PDOF (angle) = principle direction of force Damage Length = distance between C1&C2, C1&C4, or C1&C6 Damage Offset = distance damage is offset from the center of the damaged side Crash (L) = overall length of damage area used in the calculations E = Energy (calculated) EBS = Equivalent Barrier Speed (calculated) Avg. C = the average depth of all entered crush depths (calculated) Coefficient of Stiffness (A and B) For generic stiffness published data go to the “Default NHTSA Car Data (Stiffness Coefficients)” document. You can find the document in the Experts Corner section of the Learning Center. You can also search the NHTSA database for updated crash data. Click on the NHTSA link in the Links section of the Learning Center.

The Bottom Row:

Reset All: Resets all the data in the “Data Input” area to 0 except for the default vehicle length and width. Display Calculations: When checked, the crush calculations are displayed on the screen and can be placed in the diagram.


Import Crush Data (Open): Use this button to import previously saved crush data back into the data fields in the Crush dialog. The saved data is in one of the following formats:

.TXT, .CSV, .DAT, or .ASC. Export (Save): Use this button to export the current crush data. The data is saved in a .TXT, .CSV, .DAT, or .ASC format.

Place: Closes the Critical Speed Calculator and places the diagram shown in the Preview Window in the drawing screen.

If the drawing screen already contains a diagram, the drawing appears attached to the mouse pointer allowing you to position and place it where you want it in the existing drawing.

Close: Closes the Crush dialog.


Crush Display Options Use these options to change what data is displayed on the crush diagram.

Formulas Used 2PT Crush (Calculating Energy (E)) E = L * [G + A/2 * (C1 + C2) + B/6 * (C1² + C1*C2 + C2²)] * Y 4PT Crush (Calculating Energy (E)) E = L/3 * [3G + A/2 * (C1 + 2*C2 + 2*C3 + C4) + B/6 * (C1² + 2*C2² + 2*C3² + C4² + C1*C2 + C2*C3 + C3*C4)] * Y 6PT Crush (Calculating Energy (E)) E = L/5 * [5G + A/2 * (C1 + 2*C2 + 2*C3 + 2*C4 + 2*C5 + C6) + B/6 * (C1² + 2*C2² + 2*C3² + 2*C4² + 2*C5² + C6² + C1*C2 + C2*C3 + C3*C4 + C4*C5 + C5*C6)] * Y


Calculating Equivalent Barrier Speed (EBS) EBS = Sqrt (2g*(E/12) / Wt) = f/s Calculating G from the Stiffness Coefficients G = A² / 2*B

Crush Calculation Variables C1-C6 = crush depth A = stiffness coefficient (derived from published data or user calculations) B = stiffness coefficient (derived from published data or user calculations) G = automatically calculated from stiffness coefficients Wt = vehicle weight used in the EBS calculation L & W = length and width of the vehicle PDOF (angle) = principle direction of force Y = force angle magnification factor Y = (1+tan (ø)²)

If ø = 0 then magnitude = 1 If ø = 45 then magnitude = 2 If ø > 45 then angle is subtracted from 90

Damage Length = distance between C1&C2, C1&C4, or C1&C6 Damage Offset = distance damage is offset from the center of the damaged side Crash (L) = overall length of damage area used in the calculations E = Energy (calculated) EBS = Equivalent Barrier Speed (calculated) Avg. C = the average depth of all entered crush depths (calculated) g (gravity) = 32.2 ft/s² (used in the EBS calculation) Thanks to the following individuals for their help in the development of The CAD Zone’s Crush Calculation Tool:

Bobby Jones John Daily

Jeremy Daily Nate Shigemura

Greg Russell


Critical Speed Calculator The Critical Speed Calculator determines the critical speed of a selected arc or curve. To open the Critical Speed Calculator, select the Recon/Animate bin of the left-hand toolbox.

Using the Critical Speed Calculator on an Arc will generate a single critical speed value, as shown here:

Using the Critical Speed Calculator on a curve will generate eight different critical speed solutions. The curve will automatically be divided into eight sections and a critical speed will be calculated for each section. The first two sections are divided into ¼ and 1/3 the overall length of the curve. Both start at one end of the curve. They’re labeled R1/4 and R1/3. Six equal and overlapping sections are generated over the entire curve. They’re labeled R1 thru R6. This gives you an opportunity to compare critical speed values at different sections of the curve.


Using the Critical Speed Calculator

Preview Window You can open the Critical Speed tool with or without pre-selecting objects. If you open the tool without selecting an object or objects then the whole diagram will be displayed in the preview area. If you pre-select an arc or curve before opening the tool then only the selected item or items will be displayed in the preview. Once an object or objects are displayed in the Critical Speed preview window you can click on an arc or curve to immediately calculate critical speed values. Illustration 1 – Entire drawing Open the Critical Speed tool with or without selecting an object or objects in the drawing.


Illustration 2 – Nothing selected, preview The entire drawing is displayed in the preview window.

Illustration 3 – Select specific object or objects You can select the objects you want to have displayed in the preview window.

Illustration 4 – Selected objects, preview Only the selected objects are displayed in the preview window.


Illustration 5 – Click on the yaw mark (curve) in the preview Clicking on the yaw “curve” in the preview automatically sections and labels the radius measured in the data grid.

Features of the Critical Speed Calculator

Data Grid All of the data extracted from the selected arc or curve is included in the data grid. The data in the blue shaded cells can be modified by the user. This includes Drag and Super Elevation values. There is a User Data row that allows you to manually enter in all the variables to determine critical speed. The User Data section does not use or require arcs or curves to be selected.

Data Grid (Arc selected)

Data Grid (Curve selected)


Drag (u) and Super Elev % (e) You can change the drag and super elevation values for an individual arc or all of the arcs. Clicking on a cell in the Drag (u) column will bring up a drag value entry box. Enter the drag value and click OK. You will be prompted to “Change the Drag for all arcs?” If you answer “Yes” then the value you entered will be placed in all of the cells in the Drag (u) column. Answering “No” allows you to enter different drag values for different arcs.

Click on a cell in the Super Elev % (e) column and enter a value (as a percentage) for the super elevation of the road. This would be a slope % of the roads cross section. Like Drag, you will be prompted to “Change the Super Elevation for all arcs?” If you answer “Yes” then the value you entered will be placed in all of the cells in the Super Elev % (e) column. Answering “No” allows you to enter different super elevation values for different arcs.

Flip Super Elevation and Flip R Order Checking the “Flip Super Elevation” box will change the super elevation values from positive to negative and visa versa. This changes the direction of the slope. Checking the “Flip R Order” box will change the end of the curve from which the arc sections start. NOTE: This will not change the values in the Drag (u) and Super Elev % (e) columns.


Display Calculations: When checked, the critical speed calculations are displayed on the screen along with the selected arc or curve and can be placed in the diagram. Export (Save): Use this button to save and export the critical speed. The data is saved in a .Txt, .CSV, .DAT, or .ASC format. Place: Closes the Critical Speed Calculator and places the diagram shown in the Preview Window in the drawing screen. If the drawing screen already contains a diagram, the drawing appears attached to the mouse pointer allowing you to position and place it where you want it in the existing drawing. Close: Closes the Critical Speed Calculator. Formulas Used in the Critical Speed Calculator u = coefficient of friction e = Super Elevation (%) C = Chord m = middle ordinate r = Radius S = Speed r = C^2/8m + m/2 The Critical Speed Calculator uses two different formulas to make the calculations, based on the Super Elevation value. Super Elevation <= 10% Formula : S = (3.86 * sqrt(r*(u+e))) Super Elevation > 10% Formula : S = (3.86 * sqrt(r*(u+e))) / sqrt(1-u*e)

Future Updates Check The CAD Zone’s web site for future updates that version 8 users can download for free. The next update will have more comprehensive electronic documentation.

http://www.cadzone.com/update/default.htm

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