二维分析软件

圬工拱桥的二维分析软件,已授权给全球40多个国家的主要工程咨询公司和政府机构使用,执行一个全面的分析各种缺陷的复杂多跨高架桥.

LimitState:RING 3.0 is the latest version of the popular software product for the analysis of masonry arch bridges – designed from the ground up with the needs of professional engineers in mind:Modern, intuitive user interface
Multi-ring, multi-span analysis (no need to balance thrusts)
Use a wide range of built-in and user-defined arch profiles
Include local defects such as mortar loss and weak masonry Undertake support settlement analyses
View moment, shear and normal force diagrams
Allocate separate properties to nearsurface and deep fill
Model reinforcement

LimitState:RING uses rigorous mathematical optimization to directly identify a wide range of potential modes of response, including those involving:Hinging and/or masonry failure
Radial sliding
Ring separation Single or multi-spans
Support movement

What’s new in LimitState:RING 3.0?
More flexible
The addition of several new profile types allows users to more closely model the
true shape of an arch:
o Segmental – The arch profile is formed from a single segment of a circle using
the crown rise and span measurements.
o Multi-segment (user-defined) – The arch profile is formed from multiple
segments of circles, based on user-entered intrados and/or extrados points.
o Interpolated (user-defined) – The arch profile is formed from an interpolated
`best-fit’ shape based on a series of user-entered intrados and/or extrados
points.
o Three-centered (pseudo-elliptic) – The arch profile is elliptical and is formed
from segments of three circles using the crown rise and span measurements.
o Pointed – The arch profile is pointed and is formed from segments of two
circles using the quarterspan rise, crown rise and span measurements.
Enhanced analysis engine
LimitState:RING now uses the world renowned MOSEK optimization solver to
obtain solutions:
o More robust – the MOSEK solver is very robust, so
that LimitState:RING can obtain solutions for an even
wider range of problem geometries.
o More efficient – the MOSEK solver is designed to solve large-scale
optimization problems in a highly efficient manner, bringing significant
performance benefits to LimitState:RING (see graph, left).
More informative
Quickly access useful and relevant information:
Users can now gain an even better understanding of the mode of response with the
ability to display moment, normal and shear force diagrams for the analysed
model.
The report output has been updated and contains new sections, additional data
and an easier to read layout.
More analysis data is provided in the output window – load case data, vehicle
position, effective bridge width and solution information are now all shown by
default.

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