Exercise 1: Building Envelop Creation and Material Selection in SketchUp 21.02.2017-30.03.2017
Building Up a House Step 1: Setting Step 2: Model Creation Step 3: Model Rendering Step 4: Model Attributes Setting Step 5: Demonstration and Exercise
Step 1: Settings Right click on the tool bar column and select the tool sets as shown in picture 1. Setting the unit system in the model. Picture 1
Step 2: Model Creation Two ways for creating 3-D OpenStudio working space in SketchUp: Create a single Space with New Space icon. (Note: You can’t create another space inside one space or divide a space by wall to make two new space.) 2. Create Space from Diagram.
Step 3: Model Rendering Rendering by surface type Rendering by boundary condition Rendering by construction Rendering by space type Rendering by thermal zone Rendering by building story Hiding rest of the model View hidden geometry View model in X ray Surface Searching Information Tools: Show the information of the object
Step 4: Model Attributes Setting OpenStudio Space Thermal Zone (Simulation Node) Boundary Condition Thermostat (Temperature Controller) Wall, Roof, Floor Internal Load People Set Attribute for Selected Space Lighting
Default Attribute Setting
Space, Thermal Zone and Thermostat Setting After we create spaces in SketchUp, thermal zone and thermostat needs to be assigned to each space. Otherwise, the space will not be taken into account in EnergyPlus simulation. Space Type: Only for notation in SketchUp and OpenStudio, not used in EnergyPlus Construction Set: The set of construction for wall, roof, floor, window and door. Thermal Zone: The name of thermal zone for this Space. One space only has one thermal zone, but one thermal zone can correspond to many space. Thermostat: The thermal zone temperature control.
Surface Matching and Projecting Loose Objects Surface Matching: Assign boundary condition for the internal wall. (For example, thermal zone 1 is the boundary condition of surface 1 in thermal zone 2 and thermal zone 2 is the boundary condition of surface 1 in thermal zone 1) Projecting Loose Objects: Integrate the SketchUp geometry into Openstudio objects.
Space, Thermal Zone and Thermostat Setting Inspector: Give an overview of the objects in the model. (The selections in the drop down list of inspector come for two sources. One is from embedded library, and the other is from user imported file. You can’t input the attributes of the construction directly in SketchUp.
Step 5: Demonstration and Exercise The construction for external wall is ASHRAE 189.1-2009 ExtWall Mass Climate Zone 3, and The construction for window is ASHRAE 189.1-2009 ExtWall Mass Climate Zone 4.
Exercise 2: File Import and Space Type Creation 21.02.2017-30.03.2017
Input File There are two input file types with suffix of .osm and .idf. The .osm is specific for SketchUp and OpenStudio, and EnergyPlus can’t read .osm file. However, SketchUp and OpenStudio can import and export both of them for exchanging data such as constructions, schedules and loads... Materials (Wall, Window, Door) Constructions Surface Thickness Density Thermal Conductivity Solar Absorption Emissivity and Radiation Absorption … Material Layers Definition (For Outward to Inward) Thermal Zone Coordination Orientation Length, Height
General Overview of OpenStudio
Schedule Setting
Construction Setting
People, Lighting and Equipment Load Setting
(People, Lights, Equipment) Space Type Definition Space Type Schedule Set (Schedules) Construction Set (Constructions) Loads (People, Lights, Equipment) Space
Space Type Definition