The phrase "approach under which" is correct and usable in written English.
It can be used to describe a specific method or framework that is being applied in a particular context or situation.
Example: "The approach under which we conducted the research allowed for a comprehensive analysis of the data collected."
Alternatives: "method by which" or "framework in which".
The Palestinians have long opposed such an approach, under which they might lose more land.
The Royal United Services Institute (pdf) favours an approach under which the government authorises some warrants and others are left to judges.
"I want to introduce a more proactive approach under which France will seek the owners whether or not a formal request has been made".
It's a critical issue: the current approach, under which juries are explicitly discouraged from questioning a patent's validity, all too often means that dubious patents are nevertheless enforced.
Russian officials have proposed a "step by step" negotiating approach under which Iran would address outstanding questions and be rewarded with a lifting of sanctions.
Eager to preserve such development potential, the city had proposed an approach under which the federal agency would allow the polluters to pay for the cleanup voluntarily.
This step varies from individual to individual but there are two broad approaches under which most individual techniques fall: If you are patient by nature, and prefer to savor something good slowly, then you will want probably to take the "layer-by-layer" approach.
In dissent, Justice Stephen G. Breyer, joined by Samuel A. Alito Jr., wrote that the clause meant to require a utilitarian approach, one under which authors were granted limited monopolies in order to encourage them to produce societally valuable works.
Wheaton says its pricing system for study abroad is consistent with its overall approach to tuition, under which students pay the same fee whether they take expensive courses like science labs or cheaper ones like literature surveys.
Through this approach, the conditions under which the considered scheme can show chaotic dynamics are discussed.
Zeta potential was measured under conditions designed to progressively approach the environment under which flotation will be attempted: viz.
