Zero Load Vector Found
Product:
RAM Concrete
Versions:
All
Area:
Analysis
Problem Description
An error "Analysis Failed. Zero Load Vector Found" dialog is displayed when running the RAM Concrete Analysis.
Reason
The Story Data in the modeler…
Crash During RAM Frame Analysis
Applies To
Product:
RAM Structural System
First Affected Version:
17.00.00.93
Found in Version:
17.00.00.93
Fixed and Released in Version:
17.00.01.09
Environment:
x64
Area:
Analysis…
RAMSS Gravity Loads [FAQ]
Product(s):
RAM Structural System; Ram Steel
Version(s):
All
Area:
Modeling; Analysis
Original Author:
Bentley Technical Support Group
Are the applied surface loads cumulative?
No, in RAM Structural System…
Effects of Changing Deck Type
Product(s):
RAM Structural System; Ram Steel
Version(s):
Any
Area:
Analysis; Design
Problem
Loads on beams from one-way deck are not calculated as expected when the deck changes along the length of the beam or between…
Modeling Continuous Foundations
Applies To
Product(s):
RAM Structural System; Ram Modeler; Ram Foundation
Version(s):
10.0 and later
Area:
Modeling; Analysis
How can I model continuous foundations?
In RAM Structural System, a continuous…
RAM Concrete Beam FAQ
Product(s):
RAM Structural System; Ram Concrete
Version(s):
Various
Area:
Modeling; Analysis; Design
Overview
This page addresses common issues and questions specific to concrete beams designed and analyzed in the…
RAMSS Two Way Decks [TN]
Product(s):
RAM Structural System; Ram Frame; Ram Concrete
Version(s):
14.00.00.00 or later
Area:
Analysis
Use of Two way decks in RAM Structural System
The table below clarifies how One way and Two way decks can…
RAM Solver Types
Product(s):
RAM Structural System, RAM Elements
Version(s):
Any
Area:
Analysis
There are two basic solver types in RAM Structural System and RAM Elements (in-core and out-of-solver). Each of these basic solvers has…
RAM Frame P-Delta [TN]
Product(s):
RAM Structural System; Ram Frame
Version(s):
Any
Area:
Analysis; Design
P-Delta in RAM Frame
General
A general second-order elastic analysis requires consideration of effects caused by displacements…
RAM Container Crash during RAM Frame Analysis while Reading Model Data
Applies To
Product:
RAM Frame Analysis
First Affected Version:
Found in Version:
15.05.00
Fixed and Released in Version:
15.06.00.000
Area:
Analysis
Issue #:
739116
Problem…
Overlapping Surface Loads on Two-Way Decks Ignored in RAM Frame and RAM Concrete
Applies To
Product:
RAM Frame & RAM Concrete
First Affected Version:
Found in Version:
15.02.00
Fixed in Version:
15.05.00
Area:
Analysis
Issue #:
677249 & 689511
Problem…
RAM Frame - Diaphragm Constraints and Gravity Forces in Shear Walls
Product(s):
RAM Structural System
Version(s):
Any
Environment:
N/A
Area:
Analysis
While shear walls are primarily a lateral force resisting system they also carry gravity loads including their self-weight…
Lateral Loads on Flexible/None Diaphragms Supported by Gravity Members Only
Applies To
Product:
RAM Frame Analysis
First Affected Version:
Found in Version:
15.03.00
Fixed and Released in Version:
15.04.00
Area:
Analysis
Issue #:
642195
Problem…
Incorrect Snow Drift Loads on Two-Way Decks in RAM Concrete
Applies To
Product:
RAM Concrete
First Affected Version:
14.00.00.00
Found in Version:
15.03.00.00
Released in Version:
Area:
Analysis
Issue #:
567140
Problem Description…
RAM Structural System Results Cleared After Import into RAM Concept
Applies To
Product:
Ram Concept
First Affected Version:
Found in Version:
06.00.01.06
Released in Version:
Environment:
All
Area:
File, Import/Export
Subarea:
N/A
…
Program Crash after Changing Beam Size RAM Frame - Steel Mode
Applies To
Product(s):
RAM Frame Analysis
Version(s):
14.07.01.01
Environment:
N/A
Area:
Analysis
Defect Number:
566269
Problem Description
After changing…
RAM Meshing and Segmentation [TN]
Product(s):
RAM Frame, Ram Concrete
Version(s):
13.00.00.00 or later
Environment:
N/A
Area:
Modeling
Meshing and Segmentation in RAM Frame or Concrete
General
Lateral walls, 2-way decks and semi-rigid…
RAM Frame - Wind Loads [FAQ]
Product(s):
RAM Structural System
Version(s):
Any
Area:
Analysis
How is the wind typically applied to the model?
The slab edge determines the exposure (Ram Frame – Loads – Exposure) and we assume some kind of vertically…
RAM Frame - Masses
Product(s):
RAM Structural System; RAM Frame
Version(s):
Any
Environment:
N/A
Area:
Analysis
Original Author:
Bentley Technical Support Group
Why do I get a warning about mass that's not associated…
RAM Frame - Dynamic Analysis FAQ
Product(s):
RAM Structural System (Ram Elements or STAAD.pro)
Version(s):
Any
Area:
Analysis; Dynamic Analysis
How does a dynamic analysis using response spectra for seismic loads differ from a static analysis using…
RAM Frame - Semirigid Diaphragms FAQ
Product(s):
RAM Structural System
Version(s):
13.00.00.00 or later
Area:
Analysis
Original Author:
Bentley Technical Support Group
What properties are used with meshed semirigid diaphragms?
Semirigid diaphragms…
RAM Frame - Notional Loads
Product(s):
RAM Structural System; Ram Frame
Version(s):
Any
Environment:
All
Area:
Analysis; Framing tables
Why do I get a warning about gravity loads not associated with any diaphragm?
When you have…
RAM Frame - Rigid Diaphragm Constraints and Frame Shear [TN]
Product(s):
RAM Structural System; Ram Frame; Ram Elements; STAAD.pro
Version(s):
Any
Area:
Analysis
Wall stiffness, height and the effect of a diaphragm constraint
When a structure consists of walls (or frames) of…
RAM Frame - Center of Rigidity
Product(s):
RAM Structural System
Version(s):
Any
Area:
Analysis; Reports
Center of Rigidity
In order to review the center of rigidity for a structure, a special Centers of Rigidity load case must be created under…
RAM Instability In Finite Element Analysis [TN]
Product(s):
RAM Elements, RAM Structural System, Ram Concept, STAAD.pro; MultiFrame; Microstran
Version(s):
Any
Area:
Analysis
Instability in Finite Element Analysis
A typical 3-dimensional Finite Element analysis…