The phrase "a complex problem involving" is correct and usable in written English.
It can be used when discussing a situation or issue that has multiple facets or components that need to be addressed.
Example: "The project presented a complex problem involving various stakeholders and differing priorities."
Alternatives: "a multifaceted issue concerning" or "a complicated challenge related to".
Dimensional change in nuclear graphites is a complex problem involving the filler, binder, porosity, cracks and atomic-level effects all interacting within the polygranular structure.
Determining the optimal well location is a complex problem involving many factors including geological uncertainty, reservoir and fluid properties, economic costs, and technical ability.
Yet Mr. Hunter also makes it clear that Charlie is willfully eating himself to death out of despair over his lost love, reinforcing a simplistic idea about a complex problem involving both metabolic and psychological factors.
What compels a seemingly ordinary surface crack to grow into a major structural crack is a complex problem involving crack interaction, and obviously its solution requires a discrete crack approach.
This is a complex problem involving the interaction of non-linear fluid behaviour (breaking waves, fluid impact) with non-linear structural behaviour (large deformations, contact, material plasticity and damage).
Because this is such a complex problem, involving countless industries and implicating various privacy concerns, an adequate solution will require participation by consumers, businesses and the government.
Adjustments of CNN parameters is a complex problem involved in the configuration of CNN for associative memories.
First, they aim to address high maternal mortality - a typically complex problem involving a large number of social, cultural, economic, personal and systemic factors - and second, their implementation is complex.
However, neonatal mortality is a very complex problem involving multiple factors and actors and requiring multiple interrelated and simultaneous strategies to be able to effectively address it, including the difficult challenge of changing attitudes, perceptions, behaviour, and practices [ 7].
Getting Russia into the World Trade Organization, however, will be a far more complex problem, involving extensive negotiations about opening Russia's markets.
We propose isogeometric analysis as a technology that possesses a unique combination of attributes for complex problems involving higher-order differential operators, namely, higher-order accuracy, robustness, two- and three-dimensional geometric flexibility, compact support, and, most importantly, the possibility of C1 and higher-order continuity.
