ECOTECT ANALYSIS TUTORIAL PDF

By using these tutorials you will quickly master the basics of modelling and analysis. It is recommended that you do each tutorial in the order listed below, as some commands may not be explained as thoroughly in successive tutorials. The analysis tutorials are particularly useful for gaining a better understanding of how buildings and materials work, and how to improve your designs. Whether you are a student architect or an experienced environmental engineer, you will find information here to assist you in learning how to get the most from ECOTECT.

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By using these tutorials you will quickly master the basics of modelling and analysis. It is recommended that you do each tutorial in the order listed below, as some commands may not be explained as thoroughly in successive tutorials. The analysis tutorials are particularly useful for gaining a better understanding of how buildings and materials work, and how to improve your designs. Whether you are a student architect or an experienced environmental engineer, you will find information here to assist you in learning how to get the most from ECOTECT.

This manual is an exact reproduction of the electronic Ecotect tutorials that were available in the squ1. The manual was prepared in agreement with squ1. Setting up a New Model. The first step is to ensure you are working on a new blank document, and that the working grid is set appropriately. Select the New item from the File menu, or click the New. This clears the model memory and reloads the default material data. Select the Perspective item from the View menu or hit the F8 key.

This ensures you are looking at a 3D perspective view of the grid. If your view isn't similar to that shown in the above diagram, simply click the Right Mouse button in the Drawing Canvas and drag the view around until it fits. Use the Shift and Control keys, in combination with holding down the Right Mouse button , to zoom and pan the view respectively. If there are no objects in the model then this sets the grid to the default grid settings.

Otherwise it fits the grid to the extent of the objects in the model. To check the grid settings select the Grid Settings item in the view menu or use. This invokes the Model Settings dialog box, allowing you to manually specify grid dimensions. In this case we are only going to check the values, making sure they correspond roughly to the ones below. This is to ensure that snaps are set appropriately.

It is recommended that the snaps shown below are used. By using the Snaps button on the Options toolbar or their corresponding keyboard shortcuts it is possible to change snap settings at any time, even in the middle of creating or modifying objects. It is also possible to determine current snap settings and change them, by using the.

Snaps Status panel at the bottom left of the program window. Letters in black refer to snaps that are on, whilst those in white are off. To change the snaps using this panel, simply click the letters once, with the Left Mouse button.

Adding the First Zone. The next step is to create a new zone for the first part of the building. This is going to be a simple rectangular box. Select the Zone item from the Draw menu or use the Zone. This will begin the creation of a new zone object, with walls, and a ceiling, extruded from a single floor object. Move the cursor over the Drawing Canvas. This displays the Node Input cursor with the red X and Y axis. As you move the cursor around the Drawing Canvas the Cursor Input toolbar updates, with the absolute X, Y and Z location for the first node.

Type in the X and in the Y input boxes and hit the Enter key. This starts the zone, with the first node at the absolute coordinates , , 0. Move the cursor around the Drawing Canvas. If you move the cursor around the Drawing Canvas now, you will notice that the Cursor Input toolbar updates with X, Y and Z values relative to the last node that was entered.

As well, if the cursor is moved in the X direction, the X Cursor Input box has the focus. If moved more in the Y direction, the Y Cursor Input box will get the focus.

You should also notice that the X and Y axis are snapped to and highlighted, if Orthographic snaps are set as previously stated. This makes it quick and easy to generate orthogonal objects. Finally, you may see a distance value displayed in the centre of the line segment currently being entered if the ECOTECT defaults are set.

This is to assist in drawing accuracy, but if not preferred can be turned off from the Modelling tab in the User. Move the cursor some distance in the X direction, type and hit the Enter key. This creates the first wall segment of the zone, using the default extrusion height. The default extrusion height can also be changed from the User Preferences dialog box, or the height of any zone can be changed after it is created this will be explained later in this tutorial.

Move the cursor some distance in the Y direction, type and hit the Enter key. This creates the second wall segment of the zone. Move the cursor in the -X direction, type again. This creates the third wall segment of the zone. Note that you do not have to enter a minus sign in front of the to get it to move in the negative X direction, it simply moves in the direction of the mouse.

Hit the Esc key on the keyboard or right click in the Drawing Canvas to display the Context menu, and select Escape. This finishes the creation of the first zone and displays the Rename Zone dialog box. At this point it is necessary to type in an appropriate name for the zone. This then adds. When a zone is created using the button or menu item, this dialog box will always appear. Adjusting the Zone Height. The next step is to alter the height of the zone, which was automatically extruded to a default height of mm specified in the User Preferences dialog box.

This extrusion height can be changed at any time for any object that maintains its linking. Using the Select element of the zone. If you are having trouble selecting the correct element, use the Spacebar key on the. Selected objects may show up as either yellow in colour as in the image below , or with a thickened line.

This setting can be changed from the User Preferences dialog box, either by choosing a Selection Highlight type from the selection box, or by altering the Selection Colour. The floor element of any zone created using the Zone button or menu item, is the parent of all other objects extruded from it. This means that the floor controls the other objects, making it easier to edit the entire zone after it has been created.

With only the floor element selected, change the Z value in the Extrusion Vector input boxes in the Selection Information panel, to the right of the Drawing Canvas. This can be done either by typing in the number, or by dragging the small arrows that appear after clicking in the input box as shown n the image below. This value alters the entire zone's extrusion height. This will change the value to in the input box. To apply this change to the selected object, you will need to click the Apply Changes button at the bottom of the Selection Information panel.

To automatically apply changes made, therefore not requiring you to click the Apply Changes button after altering values, simply check the Automatically Apply Changes check box at the bottom of the panel. This can also be done for the Material Assignments panel. If the Automatically Apply Changes check box is already ticked, you need only hit the Enter key after making an alteration for it to take effect.

To permanently change the height of subsequent zones, select User Preferences from the File menu, then select the Modelling tab or simply press. In the Default Zone Height input box enter as the new value. This ensures that every zone created from now on will be 3 meters high.

Click the OK button when you've finished entering the new value. Adding a Second Zone. The next step is to create the zone on the north side. For this, we want one of the nodes to be in the exact centre of the north wall. This time we are going to work more within the Drawing Canvas, and use object snapping to ensure the model is accurate.

This will begin the creation of a new zone object. You can tell which side is on the North by the arrow in the far left corner of the grid. Snaps are displayed with a small letter corresponding to the appropriate snap type.

Move the mouse until a small M appears at the cursor, and click with the Left Mouse button to accept the point. If a small M does not appear it is most likely that Mid Point snaps have not been set. To do this whilst still in command click the Snaps button on the Options toolbar and make sure that Mid Points has a tick next to it, or hit the M key on the keyboard.

Move the cursor in the X direction and type do not hit the Enter key. After typing move the cursor around the Drawing Canvas. Notice how the cursor is constrained by units in either positive or negative X. Notice also that the cursor will snap to the X axis as you move close to it, this is because Orthogonal snaps are also on.

Move the cursor so that it snaps to the X axis with the set value of , and click the Left Mouse button. Once the desired point has been chosen with the mouse, simply clicking the Left Mouse button will accept that position and move on to the next node placement. Move the cursor in the Y direction, type and click the Left Mouse button. Using the Snaps pull-down menu from the Options toolbar, set the Align snap to on.

This time we are going to use the Align snap to finish t he last two wall segments of our new zone. With Align snaps on, move the cursor back along the X axis until a small XY appears next to the cursor. This is telling us that the cursor is aligned with other nodes in both the X and Y axis.

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For most building projects, decisions made in the first few weeks of the design end up having the greatest impact on a building's performance. The location of the building on the site, its basic form and orientation, its internal layout and external materials selection, its fenestration -- all of these factors are set very early on in the design process and often with no analysis data to support the decisions. My previous article in this column looked at Autodesk Green Building Studio, a web-based energy analysis service that can help architects and designers perform whole building analysis, optimize energy efficiency, and work toward carbon neutrality earlier in the design process. This month's article explores another tool that architects can use to analyze their BIM-based designs and get early feedback on the performance of their building design: Autodesk Ecotect. Working with the Environment To mitigate a building's impact on the environment, it's important to first understand how the environment will impact the building. Built specifically by architects and focused on the building design process, Autodesk Ecotect is an environmental analysis tool that allows designers to simulate the performance of their building projects right from the earliest stages of conceptual design. Acquired by Autodesk in June , the software combines a wide array of analysis functions -- including shadows, shading, solar, lighting, thermal, ventilation, and acoustics -- with a highly visual and interactive display that presents analytical results directly within the context of the building model.

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