The phrase "a necessary task for" is correct and usable in written English.
It can be used when describing an essential duty or responsibility that is required for a specific purpose or outcome.
Example: "Completing the project on time is a necessary task for ensuring client satisfaction."
Alternatives: "an essential duty for" or "a vital responsibility for".
Design sensitivity analysis is a necessary task for design optimization of structures.
Thus its destruction was a necessary task, for, with each passing day, Army Math took its toll in mutilated bodies.
Taking into account that forests have a crucial role in sustaining life, analysing the environmental impact of wood as a construction material represents a necessary task for civil engineers.
Performing this set of reference experiments (which must be properly designed) turns out to be a necessary task for the simulation, thus showing the complementarity of the experimental and numerical tools.
It was a necessary task for the world, he said, with the self-conviction of a child of not only the largest English county (Yorkshire) but the second largest (the West Riding) who was presented with a school prize by one of three Nobel laureates to come from the same corner of the Calder Valley as he did.
The Engineering Validation and Engineering Design Activities (EVEDA) phase of the International Fusion Materials Irradiation Facility project should result in an accelerator prototype for which the analysis of the dose rates evolution during the beam-off phase is a necessary task for radioprotection and maintenance feasibility purposes.
Biosurveillance is a necessary task to monitor food for human consumption and pharmaceutical drugs, subsumed as "biologicals", which typically consist of complex mixtures of processed biological material.
The XJ wasn't initially destined for AWD, so the engineers have had to work around an awkward body and engine design – a necessary task, considering AWD models account for almost 50 per cent of the US market for big saloons, and up to around 80 per cent in the Snow Belt states and Canada.
By definition, accountability means being held responsible for a necessary task.
"If something is necessary, if it is, for example, a necessary task in human life, then a right arises in those whose task it is, to have what belongs to the performance of the task" (Anscombe 1978, 17).
Current chemotherapy needs to be expanded, making research for new drugs a necessary task.
