Table

List of all defined tendon points with their respective parameters

Edit the parameters by clicking in the respective field.

Find additional settings in the Property window.

Station L / Station G

Local / global station of the defined tendon point

Side

Position immediately before (FRONT) and after (BACK) the defined station

The selection defines the x-direction when defining a-u and a-v (see below)

Note: For performing the analysis of tendon stressing, the last tendon point of a tendon must always be defined with the position BACK.

Type / Point

Type of the reference for the definition of the position of the tendon point (grid or point) and name of the point (grid point or reference point)

e-x

Eccentricity in the local x-direction of the element at the tendon point depending on the selected eccentricity type (see e-x-type)

e-x-type

Type of the eccentricity which determines the direction in which the eccentricity is applied

• No eccentricity Any possibly defined eccentricity is not considered
• Straight along 3D tangent: The eccentricity is applied in the direction of the tangent at the tendon point of the axis in space (3D spline)
• Straight along plan tangent: The eccentricity is applied in the direction of the tangent at the tendon point of the axis in plan

e-u, e-v

Eccentricity in the direction of the selected local u- or v-direction of the point grid or point

a-u, a-v

Angle for defining the direction of the tangent at the tendon point in the particular plane of the local u- or v-direction of the point grid and the local x-direction (x/u-plane or x/v-plane), measured from the x-direction

Note for the definition of the x-direction: If reference points are used for defining the tendon points, the x-direction is defined by the connection line of the reference points. If grid points are used, the x-direction is defined by the connection line of the points of origin of the grid coordinate system (u/v). The selected Side thereby determines, if the connection line is defined from the current station to the next (FRONT) or to the previous station (BACK).

Free: The direction of the tangent results from the cubic spline which is placed through the defined points.

Curve type

Type of the calculated curve

Spline: The defined tendon point is connected with the next tendon point by a cubic Hermite spline considering the defined boundary conditions, whereby all defined tendon points are included within the calculation of the spline.

Straight: The defined tendon point is linearly connected with the next tendon point.

Arc s-u or s-v Begin/End: The defined tendon point is connected with the next tendon point by a circular arc with the defined radius R in the s/u- or s/v-plane.

In this case, the longitudinal direction s is defined by the connection line of the defined station point to the next station point. The selection Begin/End specifies, if the u- or v-direction is determined by the defined (Begin) or by the next (End) station point.

Tangent: The defined tendon points are not directly connected by a spline, but serve as tendon intersection points considering the defined radius R as curvature radius.

R

Radius for the curve type Arc and Tangent