13.1.2. Coordinate Systems

Try these first

1. 1.

   What labels are typically used in the global coordinate system?

   Hint

   Think about what familiar label styles represent the whole structure.

2. 2.

   Which coordinates are used in the local coordinate system?

   Hint

   Think of a simpler and more detailed representation of structural elements.

3. 3.

   What is a global coordinate system used for?

   • To analyze individual elements
   • To define the entire structure's nodal positions
   • To determine loading conditions

   Hint

   Consider which system provides a holistic view of the structure.

4. 4.

   True or False: The local coordinate system uses upper-case letters.

   • True
   • False

   Hint

   Think about the labels each type of system uses.

5. 5.

   Create a scenario involving a complex structure where both global and local coordinate systems will affect the design and analysis outcomes.

   Hint

   Visualize how the structure is layered and where forces transfer downwards.

6. 6.

   Analyze how changing the orientation of the axes (e.g., switching the x and y axes) would impact a simple beam's calculations.

   Hint

   Think about how the sign convention might change.