Forschungsschwerpunkte:

Probabilistische Modellierung und Abschätzung der Ermüdungslebensdauer von Stahlkonstruktionen
Real time-Risserkennung an Stahlkonstruktionen durch Anwendung aktiver Thermografie
Abschätzung der Ermüdungslebensdauer von Rührreibgeschweißten Konstruktionen aus Stahl und Aluminium
Zuverlässigkeits- und Dauerhaltbarkeitsanalyse antiker Stahlkonstruktionen
Mathematische Modellierung optimaler Strukturen

Forschungsprojekte:

Publikationsliste

Monitoring of crack length growth on welded specimens by applying square wave inductive thermography
Toasa Caiza, P. D.; Shiozawa, D.; Murao, Y.; Ummenhofer, T.; Sakagami, T.
2025. International Journal of Fatigue, 190, 108642. doi:10.1016/j.ijfatigue.2024.108642

Real time detection of fatigue cracks on steel structures by applying square wave induction
Toasa Caiza, P. D.; Shiozawa, D.; Ummenhofer, T.; Sakagami, T.
2024. Engineering Failure Analysis, 166, 108799. doi:10.1016/j.engfailanal.2024.108799

Tensile-shear properties of steel-Al adhesively bonded dissimilar joints and the effect of Al plate thickness
Uematsu, Y.; Ozeki, Y.; Toasa Caiza, P. D.
2023. Scientific Reports, 13 (1), Art.-Nr.: 19819. doi:10.1038/s41598-023-47072-1

Analysis and modeling of the strain distribution and evolution during a fatigue test in ULCF and LCF on a friction stir welded specimen from steel and aluminum
Toasa Caiza, P. D.; Uematsu, Y.
2023. Applications in Engineering Science, 15, Artkl.Nr.: 100131. doi:10.1016/j.apples.2023.100131

Full and partial compression fatigue tests on welded specimens of steel St 52-3. Effects of the stress ratio on the probabilistic fatigue life estimation
Toasa Caiza, P. D.; Sire, S.; Ummenhofer, T.; Uematsu, Y.
2022. Applications in Engineering Science, 10, Art.-Nr.: 100091. doi:10.1016/j.apples.2022.100091

Low cost estimation of Wöhler and Goodman–Haigh curves of Ti-6Al-4V samples by considering the stress ratio effect
Toasa Caiza, P. D.; Sire, S.; Ummenhofer, T.; Uematsu, Y.
2022. Fatigue & fracture of engineering materials & structures, 45 (2), 441–450. doi:10.1111/ffe.13607

Portable Generator to Detect Cracks on Large Steel Structures: An Application of Inductive Thermography
Toasa Caiza, P. D.; Schwendemann, R.; Calero, P.; Ummenhofer, T.
2021. Journal of Nondestructive Evaluation, 40 (3), 63. doi:10.1007/s10921-021-00795-5

Applying the Weibull and Stüssi Methods that Derive Reliable Wöhler Curves to Historical German Bridges
Toasa Caiza, P. D.; Ummenhofer, T.; Correia, J. A. F. O.; De Jesus, A.
2020. Practice periodical on structural design and construction, 25 (4), 04020029. doi:10.1061/(ASCE)SC.1943-5576.0000506

Probabilistic relationships between strain range, stress range and loading cycles. Application on ASTM A969 steel
Toasa Caiza, P. D.; Ummenhofer, T.
2020. International journal of fatigue, 137, 105626. doi:10.1016/j.ijfatigue.2020.105626

Contribution to the study of the influence of the stress ratio on the high cycle fatigue behaviour of riveted joints
Sire, S.; Toasa Caiza, P. D.; Espion, B.; Ragueneau, M.
2020. Fatigue & fracture of engineering materials & structures, 43 (12), 3027–3036. doi:10.1111/ffe.13324

Consideration of runouts by the evaluation of fatigue experiments. Dissertation
Toasa Caiza, P. D.
2019. KIT Scientific Publishing. doi:10.5445/KSP/1000091208

A probabilistic Stüssi function for modelling the S-N curves and its application on specimens made of steel S355J2+N
Toasa Caiza, P. D.; Ummenhofer, T.
2018. International journal of fatigue, 117, 121–134. doi:10.1016/j.ijfatigue.2018.07.041

Consideration of the runouts and their subsequent retests into S-N curves modelling based on a three-parameter Weibull distribution
Toasa Caiza, P. D.; Ummenhofer, T.
2018. International journal of fatigue, 106, 70–80. doi:10.1016/j.ijfatigue.2017.09.010

General probability weighted moments for the three-parameter Weibull Distribution and their application in S-N curves modelling
Toasa Caiza, P. D.; Ummenhofer, T.
2011. International journal of fatigue, 33 (12), 1533–1538