Lesson November 22nd

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# Matplotlib compatibility patch for Pyodide
import matplotlib
if not hasattr(matplotlib.RcParams, "_get"):
    matplotlib.RcParams._get = dict.get

Lesson November 22nd#

During today’s lesson you’ll work on a complex exercise on the topic of the core of a cross-section. Please ask your questions regarding the homework as well!

Exercise Core#

Given is the following structure and cross-section:

../../_images/cross.svg

  1. Find the relevant cross-sectional properties.

  2. Find the shear stresses at cross-section \(\text{A}\) and draw the shear stress distribution in this cross-section.

Solution assignment 1

Normal force centre is given by:

../../_images/NC1.svg

  • \(A \approx 21141 \text{ mm}^2\)

  • \(I_{zz} \approx 206.618 \cdot 10^6 \text{ mm}^4\)

  • \(I_{yy} \approx 511.566 \cdot 10^6 \text{ mm}^4\)

Solution assignment 2

../../_images/core1.svg
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