Modeling philisophy

Element modeling

Modeling by segments

       Linear segment

       Arc of circle segment

       Power equation segment

       Polynomial equation segment

General information and type of structure studied

Foundation geometry


Analysis plane at the base

Closure of the Foundation

Failure analysis of the foundation (multiple-wedge analysis)


Mecanical properties

Gravity dam


Downstream rotation point

Defining segments for the upstream face (optional)

Defining segments for the crest (optional)

Defining segments for the downstream face (optional)

Gated and ungated spillways

Defining the chute


Starting (origin) point

Segment definition

Closure of the chute

Downstream rotation point

Defining pier, gates and stoplogs


Starting point (origin) of the pier

Segment definition

Closure of the pier

Pier nose

Gates and slots

Variation to the pier width (thickness)

Water intake


Segment definition for upstream opening, downstream opening and crest

Penstock definition

Definition of upstream opening

Definition of downstream opening

Generating hydraulic sections and penstock

Penstock closing

Defining the penstock envelope on the downstream face

Defining shafts

Free-fall spillway (without pier)


Segments definition

Defining the downstream rotation point

Drainage system

Drainage gallery

Stabilising backfills

Backfill modelisation

Starting point

Modeling by segmentation

Closure of backfill

Backfill properties

Backfill static forces

Concentrated masses

Volumes and voids

Assumptions regarding volumes and voids

Volumes and voids versus concentrated forces

Volumes and voids versus concentrated masses

Definition of volumes and voids

Add a volume

Polygon plan and origin

Building the polygon (convex perimeter)

Extrusion of the 2D contour

Move volume

Copy volume

Application examples

Example 1

First method

Second method

Example 2

Material Definition and general parameters

Lift joints (analysis planes)

Definition of existing cracks