The Pipe Stress Specialists

#All sectors, all challenges, all sizes

At CT3 Ingeniería, we have been the leading specialists in pipe stress analysis and calculation, mechanical analysis, vibrations, fatigue, and fluid mechanics in pipes for the last 35 years, backed by international certifications.

No matter the sector, complexity, or scale, we always offer reliable and accurate solutions.


CODES - STANDARDS - APPROVALS

ASME - API - ANSI - US NRC - AWWA - DNV - ISO - NFPA - EJMA - TEMA - EHEDG - GMP - NEMA - WRC - MIL SPEC - NATO


CALCULATION AND SIMULATION PROGRAMS

CAESAR II™ - AutoPIPE™ - PIPESTRESS - CAEPipe™ - ANSYS™

Our Services

Dynamic Effects

Seismic: spectral response, time history, static equivalent.
Water hammer and pressure transients.
Phase separation loads.
Safety Valve Discharge.
Flow-induced vibrations: Turbulence, Vortex Detachment (VIV).
Acoustic pulsations in Compressors and Gas Lines.
Harmonic/Rotary Loads: Unbalances, NEMA SM-23, API 617.
Waves and wind: Dynamic Profile, Morison Equation.
Ships / Offshore Platforms (FPSO): Floating production, storage, and offloading.

Especial Conditions

Buried Pipe - Soil-Pipe Interaction: Friction, Continuous Support, Seismic Liquefaction.
Subsea and Offshore Pipelines: Vessel Movement, Reeling Stress, Collapse Under External Pressure, Upheaval Buckling.
HDPE / FRP / Composites: Viscoelastic properties, Creep.
Cryogenic Pipes: Extreme Gradients, Differential Shrinkage, Loss of Ductility.
High energy systems: NB/NC criteria, thermal shock, fast transient loads.

Failure Phenomena / Advanced Plasticity

Thermal Fatigue: Thermal Stratification, Thermal Shock
Vibration Fatigue: High Frequency Cycles, ASME VIII Div.2, NB-3200.
Incremental cyclic creep (ratcheting).
Plastic Accommodation (Shakedown).
Elastic Collapse - Plastic.
External Pressure Buckling: Vacuum Lines, Subsea Pipelines.
Corrosion under insulation (CUI).
High temperature Creep.

Advance Analysis

Nuclear
Linear vs static non-linear.
Modal Analysis
Cryogenic Pipes: Extreme Gradients, Differential Shrinkage, Loss of Ductility.
Harmonic Analysis.
Time History: Water hammer, Transients.
Fluid-Structure Interaction (FSI).
Fatigue Analysis: Life Cycle, S-N Curves, ASME VIII/II.
Collapse Factor, Ultimate Capacity Analysis.

Equipment and Supports Inteaction

Nozzle loads: API 610 (pumps), API 617 (compressors), NEMA SM-23 (turbines).
Flanges: Leakage in flanges (ASME VIII App.2, Div.2, EN 1591-1).
Expansion Joints: Pressure Thrust, Flexibility, EJMA Methods.
Loads transmitted to dynamic equipment: Compressors, Turbines and Exchangers.