WOLF ENERGY SA
/

Engineering & Technology

 

CABLE BRIDGES

MAIN FEATURES

  • Selection of an unlimited number of cables for each analysis
  • Description of each cable through support coordinates , cross section diameter, elastic modulus and mass per unit length
  • Investigation of an unlimited number of load cases (forces per unit length, boundary tensions, load type) for each cable
  • Performance of static analysis with computation of deformed shapes, tensile forces, stresses, strains and cable lengths and elongations
  • Performance of dynamic analysis with computation of natural frequencies and mode shapes
  • Comparison of results with available field data
  • Visualisation of results
  • Suitable for designing and testing

OPTIONS FOR IO OPERATIONS

  • Microsoft Excel Spreadsheet Files (xlsx)

OPTIONS FOR GRAPHICS

  • Standard Image Formats (jpeg, tiff)
  • Portable Document Format (pdf)

TEST CASES

Figure 1 illustrates the layout of the cables and the deformed shapes due to the static loads. Figure 2, Figure 3 and Figure 4 respectively show tension, stress and strain along the length of the cables for the different load cases. Figure 5, Figure 6 and Figure 7 describe the first three natural mode shapes of the middle span. Static and dynamic deformed shapes have been amplified by a factor 5.

Figure 1. 3D layout of cables (black solid lines) and cable supports (black squares) with deformed shapes (coloured solid lines) due to static uniform loads.

Figure 2. Cable tension (Y-Axis) versus cable length (X-Axis) due to different load cases.

Figure 3. Cable stress (Y-Axis) versus cable length (X-Axis) due to different load cases.

Figure 4. Cable strain (Y-Axis) versus cable length (X-Axis) due to different load cases.

Figure 5. 3D layout of cables (black solid lines) and cable supports (black squares) with 1st natural mode shapes (coloured solid lines) due to dynamic impulsive loads.

Figure 6. 3D layout of cables (black solid lines) and cable supports (black squares) with 2nd natural mode shapes (coloured solid lines) due to dynamic impulsive loads.

Figure 7. 3D layout of cables (black solid lines) and cable supports (black squares) with 3rd natural mode shapes (coloured solid lines) due to dynamic impulsive loads.

DELIVERABLES

 

User's Manual

PDF

14_01_00_Video_01.avi

Mid Span Mode Shape 1

AVI

14_01_00_Video_02.avi

Mid Span Mode Shape 2

AVI

14_01_00_Video_03.avi

Mid Span Mode Shape 3

AVI