Why midas FEA?
Why midas FEA?
Why midas FEA?
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<strong>midas</strong> <strong>FEA</strong><br />
“Advanced Nonlinear and Detail Analysis System”<br />
03.<br />
Analysis<br />
Providing high-end linear/nonlinear analysis<br />
capabilities optimised for bridge and structural engineering<br />
Reinforcement Analysis<br />
Cracking Analysis<br />
Reinforcements (Rebar & Tendon)<br />
Embedded Bar/Grid<br />
Line Type Applied to Plate, Solid & Plain Stress<br />
Point Type Applied to Plain Strain & Axisymmetric<br />
<br />
Prestressing Tendon<br />
Pretension & Post-Tension<br />
Short-Term Loss: Friction, Slip & Elastic Deformation<br />
Long-Term Loss: Relaxation & Creep/Shrinkage<br />
Loss of Pretension<br />
Column Reinforcements of an Underground Station<br />
Cracking Models<br />
Total Strain Crack<br />
- Fixed Crack Model & Rotating Crack Model<br />
Discrete Crack Model<br />
- Interface Nonlinearity<br />
Results<br />
Crack Pattern (Crack Stress/Strain)<br />
Element Status<br />
- Cracking: Partially/Fully Open, Closed, Not Yet<br />
- Plasticity: Previously Plastic, Elastic, Plastic, Critical<br />
- Contact: No Contact, Slip, Stick<br />
PSC Box<br />
Load Step 1<br />
PSC Box<br />
Load Step 5<br />
1. tensioning<br />
limited penetration<br />
Prestressing Tendons in a PSC Box Bridge<br />
Concrete Crack Models<br />
Disc Normal: Opening Direction<br />
Disc Color: Magnitude<br />
Line: Shearing Direction<br />
tendon<br />
2. penetration at 1<br />
tendon<br />
3. penetration at 2<br />
tendon<br />
Discrete Crack<br />
Smeared Crack<br />
<br />
Unique embedded techniques enable users to model tendons and reinforcement<br />
regardless of neighbouring elements and nodal connectivity<br />
Analyses considering immediate loss (friction, slip and elastic deformation) and longterm<br />
loss (tendon relaxation, creep/shrinkage effect)<br />
Includes TSC (Total Strain Crack) for concrete crack analysis: Fixed and Rotating models<br />
Includes Reinforcement Analysis to portray the main concrete tension reinforcement<br />
Incorporates impact of rebar in tensile behaviour of concrete structures<br />
Includes analysis results and visualisation of crack pattern, direction and status of the element<br />
11 Modelling, Integrated Design & Analysis Software
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