This is the home page for the Test Problems space that contains tests problems for all CSI programs, usually with the relevant model attached. Test problems are used to demonstrate certain features of the program or results obtained from the program without necessarily providing detailed instructions on how to build the model.

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# Browse test problems by program

# View table with all test problems

Model ID | Title | Description | Program | Version |
---|---|---|---|---|

na | Acceleration loading | Demonstrate acceleration loading and validate relative/absolute acceleration, velocity, and displacement. | SAP2000 | 12.0.1 |

na | Align solid and hollow sections | Model relative positive position for frame sections which have identical outlines, but different center-of-gravity locations due to one section being hollow. | SAP2000 | 14.2.0 |

na | Body vs. equal constraint | Comparison between body-constraint and equal-constraint application to a simply supported beam. | SAP2000 | 11.0.8 |

1402 | Bridge shrinkage example | Evaluate shrinkage for a one-span and a continuous two-span bridge system. | CSiBridge | 18.1.1 |

96 | Effect of insertion point on beam reactions | How insertion point affects horizontal reactions and flexural response of a simply supported beam. | SAP2000 | 14.2.3 |

na | End offsets | Demonstration of end offsets applied to a two-span continuous beam. | SAP2000 | |

591 | Frame and shell section cuts | Section cuts are defined through a simply-supported beam which is modeled using frame and shell objects. | SAP2000 | 18.0.1+ |

na | Frame to shell connections | This tutorial describes the application of connections between frame and shell elements. | SAP2000 | 12.0.0 |

na | Hinge response when yield point changes | Behavior of a concentrated plastic hinge when the loading applied to a nonlinear frame object causes the yield point of the interaction surface to change position. | SAP2000 | 14.2.0 |

577 | Horizontal moving loads | Demonstration of horizontal moving loads compared against hand calculated results. | CSiBridge | 17.2.0+ |

na | Human-induced vibrations | The modeling and analysis of human-induced vibrations due to footfalls or another type of impact. | SAP2000 | 14.1.0 |

70 | Hyperstatic forces for bridge-object superstructures | The hyperstatic forces within a superstructure which is modeled using bridge objects may be obtained using any of three methods described in this test problem. | CSiBridge | 15.1.1 |

na | Influence surface | Influence-surface verification for a cantilever beam modeled using shell objects. | SAP2000 | |

94 | Insertion point and transform stiffness | 3D demonstration of insertion-point, end-offset, and transform-stiffness application. | SAP2000 | 12.0.1 |

511 | Interpreting buckling analysis results for different initial conditions | Buckling analysis may begin with either zero initial conditions or the stiffness taken from the end of a nonlinear load case. This test problem compares the associated output. | SAP2000 | 15.1.0 |

na | Line and area springs | This test problem demonstrates and validates the application of line and area springs. | SAP2000 | 12.0.0 |

na | Modeling segmental-bridge joint openings | The modeling and response of joint openings, simulated using gap link elements, between shell segments of a post-tensioned bridge deck. | CSiBridge | |

140 | Moment curvature, cracked moment of inertia and Caltrans idealized model | Parameters and output for moment curvature and cracked moment of inertia. | SAP2000 | 15+ |

na | Moving-load analysis section cuts | Verification of section-cut forces generated during moving-load analysis. | SAP2000 | 11.0.8 |

516 | Multi-pendulum model (Newton's cradle) | Model a pendulum system in SAP2000 using large-displacement time-history analysis. | SAP2000 | 15.1.0 |

na | Options for applying area loads | Uniform (Shell), one-way Uniform to Frame (Shell), and two-way Uniform to Frame (Shell) load application to shell objects and associated meshing procedures. | SAP2000 | 14.2.2 |

109 | P-Delta effect for a cantilevered column | Calculation and verification of the P-Delta effects of a cantilevered column. | SAP2000 | 14.2.4 |

na | Partial end releases | Hand calculations present the following SAP2000 features: fixed conditions, full releases, partial releases, rotational-spring supports, and panel zones. | SAP2000 | 14.2.4 |

na | Saving section cuts during moving-load analysis | Sections cuts may be saved during moving-load analysis through this procedure. | SAP2000 | 14.1.0 |

na | Section cuts drawn within the graphical user interface | Draw section cuts within the graphical user interface using either 2D or 3D views. | SAP2000 | 14.1.0 |

na | Staged construction in buildings | Guidelines for setting up staged construction and interpreting the staged-construction results. | SAP2000 | 14 and above |

594 | Staged construction of a five-story column | Creep application, addition of nodes to deformed configuration, and verification against manual calculations are given for the staged construction of a five-story column. | SAP2000 | 18.0.1 |

1407 | Staged-construction analysis of two-span precast-girder bridge | Modeling and construction stage analysis of precast-girder bridge which is simply supported for dead load and continuous for live load. | CSiBridge | 18.1.1 |

na | Start and end station for bridge line-load input | This test problem explains start- and end-station interpretation for line load offset from baseline. | CSiBridge | 15.1.0 |

85 | Steady-state vs. time-history analysis | Test problems to demonstrate the differences and similarities between steady-state and time-history analyses. | SAP2000 | 14.2.2 |

na | Temperature load vs. insertion point | Given temperature loading applied to a fixed-fixed beam with variable insertion point (centroid and top-center), theoretical solution is compared to that from a SAP2000 model. | SAP2000 | 14.2.3 |

97 | Temperature-gradient loading for bridge objects | This test problem demonstrates CSI Software calculation and application of temperature-gradient loading to bridge objects. | SAP2000 | 14.0.0 |

na | Tendon force vs. frame response | Tendon application is validated by comparing tendon forces to those in an equivalent frame system. | SAP2000 | 12.0.2 |

130 | Two-span girder simply-supported for DL and continuous for LL | Modeling demonstration for a two-span girder which is simply-supported for DL and continuous for LL. | SAP2000 | 12.0.1 |

na | Update linked bridge model using Excel API | Sample API demonstration in which an Excel spreadsheet updates a linked bridge model by calling API functions. | SAP2000 | 14.2.0 and above |

na | Vehicle remains fully in lane | Verification of moving-load analysis when the option is specified for a vehicle to remain fully in lane. | SAP2000 |